Knight, J. F. (1979). What a married couple should knew about sex. Pacific Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKnight, John F. What a Married Couple Should Knew About Sex. Mountain View: Pacific Press, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKnight, John F. What a Married Couple Should Knew About Sex. Pacific Press, 1979.
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