2019, Finn V. Gratton, Supporting Transgender Autistic Youth and Adults: A Guide, page 80
(22-year-old white non-binary xenogender)
2019, Joseph T Catalano, Nursing Now: Today's Issues, Tomorrows Trends, page 560:
Some people who identify as nonbinary experience their gender as both. Nonbinary can also be used as an umbrella term, encompassing several gender identities, including intergender, agender, xenogender, genderfluid, and demigender.
2018, Michael Beattie, Penny Lenihan, Counselling Skills for Working with Gender Diversity and Identity, Jessica Kingsley Publishers (→ISBN), page 101:
[…] external observer to identify them as male or female. They may also choose to pursue some form of physical transition. Xenogender identity is a specific form of exclusive non-binary identity, […]
