Zatuchni, G. I., Labbok, M. H., & Sciarra, J. J. (1980). Research frontiers in fertility regulation. Harper & Row.
Chicago Style (17th ed.) CitationZatuchni, Gerald I., Miriam H. Labbok, and John J. Sciarra. Research Frontiers in Fertility Regulation. Hagerstown: Harper & Row, 1980.
ציטוט MLAZatuchni, Gerald I., et al. Research Frontiers in Fertility Regulation. Harper & Row, 1980.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.