Power, J. (1968). How life begins: The exciting story of human and animal birth. Simon and Schuster.
Chicago Style (17th ed.) CitationPower, Jules. How Life Begins: The Exciting Story of Human and Animal Birth. New York: Simon and Schuster, 1968.
ציטוט MLAPower, Jules. How Life Begins: The Exciting Story of Human and Animal Birth. Simon and Schuster, 1968.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.