APA (7th ed.) Zitazioa
Berzon, B. (1988). Permanent partners: Building gay & lesbian relationships that last. Plume.
Chicago Style (17th ed.) Zitazioa
Berzon, Betty. Permanent Partners: Building Gay & Lesbian Relationships That Last. New York: Plume, 1988.
MLA (9th ed.) Zitazioa
Berzon, Betty. Permanent Partners: Building Gay & Lesbian Relationships That Last. Plume, 1988.
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