Feyisetan, B. J., & Ainsworth, M. (1994). Contraceptive use and the quality, price and availability of family planning in Nigeria. World Bank.
Lua i Stíl Chicago (17ú heag.)Feyisetan, Bamikale J., agus Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. Washington, D.C: World Bank, 1994.
Lua MLA (9ú heag.)Feyisetan, Bamikale J., agus Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. World Bank, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.