Berkowitz, R., & Callen, M. (1983). How to have sex in an epedemic: One approach / [by: Richard Berkowitz & Michael Callen] (1. Auflage.). Tower.
Chicagoスタイル(17版)引用形式Berkowitz, Richard, , Michael Callen. How to Have Sex in an Epedemic: One Approach / [by: Richard Berkowitz & Michael Callen]. 1. Auflage. New York: Tower, 1983.
MLA(8版)引用形式Berkowitz, Richard, , Michael Callen. How to Have Sex in an Epedemic: One Approach / [by: Richard Berkowitz & Michael Callen]. 1. Auflage. Tower, 1983.
警告: この引用は必ずしも正確ではありません.