Preston, J., Swann, G., & Bissones, F. (1987). Safe sex: The ultimate erotic guide. New American Library.
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Chicago-čujuhus (17. p.)
Preston, John, Glenn Swann, juo Fred Bissones. Safe Sex: The Ultimate Erotic Guide. New York: New American Library, 1987.
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MLA-čujuhus (9. p.)
Preston, John, et al. Safe Sex: The Ultimate Erotic Guide. New American Library, 1987.
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