1. Altemeyer, B. (2001). Changes in attitudes toward homosexuals. Journal of Homosexuality, 42, 63–75.
2. American Psychological Association. (2012a). Guías para la práctica psicológica con clientes/as lesbianas, gays y bisexuales [Guidelines for psychotherapy with lesbian, gay, and bisexual clients] (R. Chaparro, J. Illidge, D. Heredia, R. L. Abreu, Trad.). Retrieved from https://www.apa.org/pi/lgbt/resources/guidelines-spanish.pdf.
3. American Psychological Association. (2012b). Guidelines for psychological practice with lesbian, gay, and bisexual clients. American Psychologist, 67, 10–42. https://doi.org/10.1037/a0024659
4. American Psychological Association. (2015a). Guías para la práctica psicológica con personas transgénero y personas no conformes con el género [Guidelines for psychological practice with transgender and gender nonconforming people] (R. Chaparro, J. Illidge, D. Heredia, R. L. Abreu, C. Esteban, A. Gomez, G. J. Martin, Trad.). Retrieved from https://www.apa.org/pi/lgbt/resources/guidelines-transgender-spanish.pdf.
5. American Psychological Association. (2015b). Guidelines for psychological practice with transgender and gender nonconforming people. American Psychologist, 70, 832–864. https://doi.org/10.1037/a0039906