APA Zitierstil

Wilson, M. B. (1993). Natural family planning. Cheap, effective, and free of side effects.

Chicago Zitierstil

Wilson, M B. Natural Family Planning. Cheap, Effective, and Free of Side Effects. 1993.

MLA Zitierstil

Wilson, M B. Natural Family Planning. Cheap, Effective, and Free of Side Effects. 1993.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.