Scher, J. (1985). Pregnancy everything you need to know. penguin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रScher, Jonathan. Pregnancy Everything You Need to Know. Great Britain: penguin Books, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रScher, Jonathan. Pregnancy Everything You Need to Know. penguin Books, 1985.
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