Bechtel, S. (1993). The practical encyclopedia of sex and health: From aphrodisiacs and hormones to potency, stress, vasectomy, and yeast infection. Rodale.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBechtel, Stefan. The Practical Encyclopedia of Sex and Health: From Aphrodisiacs and Hormones to Potency, Stress, Vasectomy, and Yeast Infection. Emmaus, Pa: Rodale, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBechtel, Stefan. The Practical Encyclopedia of Sex and Health: From Aphrodisiacs and Hormones to Potency, Stress, Vasectomy, and Yeast Infection. Rodale, 1993.
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