Kaeser, F. (2011). What your child needs to know about sex (and when): A straight-talking guide for parents. Celestial Arts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKaeser, Fred. What Your Child Needs to Know About Sex (and When): A Straight-talking Guide for Parents. Berkeley: Celestial Arts, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKaeser, Fred. What Your Child Needs to Know About Sex (and When): A Straight-talking Guide for Parents. Celestial Arts, 2011.
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