American Psychological Association. (1991). Policy statements on lesbian and gay issues: Committee on lesbian and gay concerns. American Psychological Association.
Cita Chicago (17th ed.)American Psychological Association. Policy Statements on Lesbian and Gay Issues: Committee on Lesbian and Gay Concerns. Washington: American Psychological Association, 1991.
Cita MLA (8th ed.)American Psychological Association. Policy Statements on Lesbian and Gay Issues: Committee on Lesbian and Gay Concerns. American Psychological Association, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.