(језик: енглески)Report of the American Psychological Association Task Force on Appropriate Therapeutic Responses to Sexual Orientation, August 2009 „American Psychological Association”(PDF). Приступљено 11. 4. 2013.
Kurdek, L. A (2001). „Differences between heterosexual nonparent couples and gay, lesbian, and heterosexual parent couples”. Journal of Family Issues. 22 (6): 727—754. doi:10.1177/019251301022006004..
Kurdek, Lawrence A. (2003). „Differences between gay and lesbian cohabiting couples”. Journal of Social Personal Relationships. 20 (4): 411—436. doi:10.1177/02654075030204001.
Bene, E (1965). „On the genesis of male homosexuality: An attempt at classifying the role of the parents”. Britain Journal of Psychiatry. 3 (478): 803—813. PMID5824952. doi:10.1192/bjp.111.478.803.
Mustanski, B. S.; Dupree, M. G.; Nievergelt, C. M.; Bocklandt, S.; Schork, N. J.; Hamer, D. H. „A genomewide scan of male sexual orientation”. Human Genetics. 116 (4): 272—8. PMID15645181. S2CID206989147. doi:10.1007/s00439-004-1241-4..
Blanchard, R.; Cantor, J. M.; Bogaert, A. F.; Breedlove, S. M.; Ellis, L. (март 2006). „Interaction of fraternal birth order and handedness in the development of male homosexuality”. Hormones and Behavior. 49 (3): 405—14. PMID16246335. S2CID16151756. doi:10.1016/j.yhbeh.2005.09.002.CS1 одржавање: Формат датума (веза).
Bene, E (1965). „On the genesis of male homosexuality: An attempt at classifying the role of the parents”. Britain Journal of Psychiatry. 3 (478): 803—813. PMID5824952. doi:10.1192/bjp.111.478.803.
Mustanski, B. S.; Dupree, M. G.; Nievergelt, C. M.; Bocklandt, S.; Schork, N. J.; Hamer, D. H. „A genomewide scan of male sexual orientation”. Human Genetics. 116 (4): 272—8. PMID15645181. S2CID206989147. doi:10.1007/s00439-004-1241-4..
Blanchard, R.; Cantor, J. M.; Bogaert, A. F.; Breedlove, S. M.; Ellis, L. (март 2006). „Interaction of fraternal birth order and handedness in the development of male homosexuality”. Hormones and Behavior. 49 (3): 405—14. PMID16246335. S2CID16151756. doi:10.1016/j.yhbeh.2005.09.002.CS1 одржавање: Формат датума (веза).
(језик: енглески) Michael King Submission to the Church of England’s Listening Exercise on Human Sexuality. Report prepared by the Special Interest Group in Gay and Lesbian Mental Health of the Royal College of Psychiatrists, Londo, 31 October 2007. „Report-Royal College of Psychiatrists”(PDF). Архивирано из оригинала(PDF) 27. 08. 2010. г. Приступљено 11. 4. 2013.
Mustanski, B. S.; Dupree, M. G.; Nievergelt, C. M.; Bocklandt, S.; Schork, N. J.; Hamer, D. H. „A genomewide scan of male sexual orientation”. Human Genetics. 116 (4): 272—8. PMID15645181. S2CID206989147. doi:10.1007/s00439-004-1241-4..
Blanchard, R.; Cantor, J. M.; Bogaert, A. F.; Breedlove, S. M.; Ellis, L. (март 2006). „Interaction of fraternal birth order and handedness in the development of male homosexuality”. Hormones and Behavior. 49 (3): 405—14. PMID16246335. S2CID16151756. doi:10.1016/j.yhbeh.2005.09.002.CS1 одржавање: Формат датума (веза).
(језик: енглески) Michael King Submission to the Church of England’s Listening Exercise on Human Sexuality. Report prepared by the Special Interest Group in Gay and Lesbian Mental Health of the Royal College of Psychiatrists, Londo, 31 October 2007. „Report-Royal College of Psychiatrists”(PDF). Архивирано из оригинала(PDF) 27. 08. 2010. г. Приступљено 11. 4. 2013.