Klein, F. (1980). The bisexual option: A concept of one-hundred percent intimacy / Fred Klein. Berkley.
Čikaški stil citiranja (17. izdanje)Klein, Fred. The Bisexual Option: A Concept of One-hundred Percent Intimacy / Fred Klein. New York: Berkley, 1980.
MLA način citiranja (8. izdanje)Klein, Fred. The Bisexual Option: A Concept of One-hundred Percent Intimacy / Fred Klein. Berkley, 1980.
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