Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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