↑ 2.02.1Beekes, Robert S. P. (2011) Comparative Indo-European Linguistics: An Introduction, 2nd edition, revised and corrected by Michiel de Vaan, Amsterdam, Philadelphia: John Benjamins Publishing Company, page 262: “*h₁é-pleh₁-t”
^ Kölligan, Daniel (2017–2018) “Chapter XX: Proto-Indo-European”, in Klein, Jared S., Joseph, Brian D., Fritz, Matthias, editors, Handbook of Comparative and Historical Indo-European Linguistics: An International Handbook (Handbücher zur Sprach- und Kommunikationswissenschaft [Handbooks of Linguistics and Communication Science]; 41.2), Berlin, Boston: De Gruyter Mouton, →ISBN, § The lexicon of Proto-Indo-European, page 2257: “*pleh₁-to-”
↑ 4.04.1Fick, August (1890–1909) “péla : pḷa”, in Vergleichendes Wörterbuch der indogermanischen Sprachen (in German), 4th edition, Göttingen: Vandenhoeck & Ruprecht, page 82
^ Byrd, Andrew Miles (2015) The Indo-European Syllable (Brill's Studies in Indo-European Languages & Linguistics; 15), Leiden: Brill, page 121: “*pi-pleh₁-”
^ Bendahman, Jadwiga (1993) Der reduplizierte Aorist in den indogermanischen Sprachen (Deutsche Hochschulschriften; 642), Egelsbach: Hänsel-Hohenhausen, page 147: “*pl̥h₁-to”
↑ 7.07.17.2De Vaan, Michiel (2008) “-pleō”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 472-473: “PIt. *plē{-je/o)- [pr.], * plēno- ‘full’, *plēro- ‘most of’, *-plē-t; PIE *pleh₁- [aor.] ‘to fill’, *plh₁nó- ‘full’, *pl(e)h₁ro- ‘full’, *-pleh₁t-.”
^ Olsen, Birgit Anette (2017–2018) “Chapter X: Armenian”, in Klein, Jared S., Joseph, Brian D., Fritz, Matthias, editors, Handbook of Comparative and Historical Indo-European Linguistics: An International Handbook (Handbücher zur Sprach- und Kommunikationswissenschaft [Handbooks of Linguistics and Communication Science]; 41.2), Berlin, Boston: De Gruyter Mouton, →ISBN, § The morphology of Armenian, page 1092: “*pleh₁-s-”
^ Zair, Nicholas (2012) The reflexes of the Proto-Indo-European laryngeals in Celtic, Leiden: Brill, →ISBN, page 136: “*pleh₁-ro-”
^ Rothstein-Dowden, Zachary (2023) “Dental-aspirate presents in Greek and Indo-European (Doctoral dissertation)”, in Harvard University Graduate School of Arts and Sciences[1], Cambridge: Harvard University
^ Lloyd, Albert L., Lühr, Rosemarie (2007) “fol”, in Etymologisches Wörterbuch des Althochdeutschen (in German), volumes III: fadum – fustslag, Göttingen/Zürich: Vandenhoeck & Ruprecht, →ISBN, pages 446-447
^ Kapović, Mate, editor (2017), The Indo-European Languages (Routledge Language Family Series), 2nd edition, London, New York: Routledge, →ISBN, page 656: “*pleh₁tis”