Altilio, Terry; Shirley Otis-Green (2011). Oxford Textbook of Palliative Social Work. Oxford University Press. стр. 380. ISBN978-0-19-983827-1. Приступљено 12. 4. 2016. „'Transgender is an umbrella term for people whose gender identity and/or gender expression differs from the sex they were assigned at birth (Gay and Lesbian Alliance Against Defamation [GLAAD], 2007).”
Forsyth, Craig J.; Copes, Heith (2014). Encyclopedia of Social Deviance. Sage Publications. стр. 740. ISBN978-1-4833-6469-8. Приступљено 12. 4. 2016. „Transgender is an umbrella term for people whose gender identities, gender expressions, and/or behaviors are different from those culturally associated with the sex to which they were assigned at birth.”
Marla Berg-Weger (2016). Social Work and Social Welfare: An Invitation. Routledge. стр. 229. ISBN978-1-317-59202-0. Приступљено 12. 4. 2016. „Transgender: An umbrella term that describes people whose gender identity or gender expression differs from expectations associated with the sex assigned to them at birth.”
Gamble, Tony; Castoe, Todd A.; Nielsen, Stuart V.; Banks, Jaison L.; Card, Daren C.; Schield, Drew R.; Schuett, Gordon W.; Booth, Warren (2017). „The Discovery of XY Sex Chromosomes in a Boa and Python”. Current Biology. 27 (14): 2148—2153.e4. ISSN0960-9822. PMID28690112. S2CID10406238. doi:10.1016/j.cub.2017.06.010.
Gamble, Tony; Castoe, Todd A.; Nielsen, Stuart V.; Banks, Jaison L.; Card, Daren C.; Schield, Drew R.; Schuett, Gordon W.; Booth, Warren (2017). „The Discovery of XY Sex Chromosomes in a Boa and Python”. Current Biology. 27 (14): 2148—2153.e4. ISSN0960-9822. PMID28690112. S2CID10406238. doi:10.1016/j.cub.2017.06.010.
Gamble, Tony; Castoe, Todd A.; Nielsen, Stuart V.; Banks, Jaison L.; Card, Daren C.; Schield, Drew R.; Schuett, Gordon W.; Booth, Warren (2017). „The Discovery of XY Sex Chromosomes in a Boa and Python”. Current Biology. 27 (14): 2148—2153.e4. ISSN0960-9822. PMID28690112. S2CID10406238. doi:10.1016/j.cub.2017.06.010.
Gamble, Tony; Castoe, Todd A.; Nielsen, Stuart V.; Banks, Jaison L.; Card, Daren C.; Schield, Drew R.; Schuett, Gordon W.; Booth, Warren (2017). „The Discovery of XY Sex Chromosomes in a Boa and Python”. Current Biology. 27 (14): 2148—2153.e4. ISSN0960-9822. PMID28690112. S2CID10406238. doi:10.1016/j.cub.2017.06.010.