Kalmuss, D. S., & Kalmuss, D. S. (1987). Advantages and disadvantages of pregnancy and contraception: Teenager's perceptions. Population and environment, 9(1), 23-41.
Chicago-Zitierstil (17. Ausg.)Kalmuss, Debra S., und Debra S. Kalmuss. "Advantages and Disadvantages of Pregnancy and Contraception: Teenager's Perceptions." Population and Environment 9, no. 1 (1987): 23-41.
MLA-Zitierstil (8. Ausg.)Kalmuss, Debra S., und Debra S. Kalmuss. "Advantages and Disadvantages of Pregnancy and Contraception: Teenager's Perceptions." Population and Environment, vol. 9, no. 1, 1987, pp. 23-41.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.