APA(7版)引用形式
Kippley, J. F., & Kippley, S. (1979). The art of natural family planning. Couple to couple League.
Chicagoスタイル(17版)引用形式
Kippley, John F., , Sheila Kippley. The Art of Natural Family Planning. Cincinnati: Couple to couple League, 1979.
MLA(9版)引用形式
Kippley, John F., , Sheila Kippley. The Art of Natural Family Planning. Couple to couple League, 1979.
警告: この引用は必ずしも正確ではありません.