Guttmacher, A. F. (1964). Planning your family: The complet guide to contraception and fertility. New York: Macmillan company.
Trích dẫn kiểu ChicagoGuttmacher, Alan F. Planning Your Family: The Complet Guide to Contraception and Fertility. New York: Macmillan company, 1964.
Deismireacht MLAGuttmacher, Alan F. Planning Your Family: The Complet Guide to Contraception and Fertility. New York: Macmillan company, 1964.
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