Feyisetan, B. J., & Ainsworth, M. (1994). Contraceptive use and the quality, price and availability of family planning in Nigeria. World Bank.
Cita Chicago (17th ed.)Feyisetan, Bamikale J., i Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. Washington, D.C: World Bank, 1994.
Cita MLA (9th ed.)Feyisetan, Bamikale J., i Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. World Bank, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.