APA (7e ed.) Bronvermelding

Feyisetan, B. J., & Ainsworth, M. (1994). Contraceptive use and the quality, price and availability of family planning in Nigeria. World Bank.

Chicago (17e ed.) Bronvermelding

Feyisetan, Bamikale J., en Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. Washington, D.C: World Bank, 1994.

MLA (9e ed.) Bronvermelding

Feyisetan, Bamikale J., en Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. World Bank, 1994.