APA引文

Bongaarts, J. (1991). The KAP-gap and the unmet need for contraception. Population Council.

Chicago Style (17th ed.) Citation

Bongaarts, John. The KAP-gap and the Unmet Need for Contraception. New York: Population Council, 1991.

MLA引文

Bongaarts, John. The KAP-gap and the Unmet Need for Contraception. Population Council, 1991.

警告：這些引文格式不一定是100％准確.