American Academy of Pediatrics - AAP. (2002). Co-parent or Second-Parent Adoption by Same-Sex Parents. Recuperado de . full. http://doi.org/10.1542/peds.109.2.341
American Psychoanalytic Association - APSA. (2002). Position Statement on Gay and Lesbian Parenting. Recuperado de
American Psychological Association - APA. (1998). Respondiendo a sus preguntas sobre orientación sexual y homosexualismo. Recuperado de