UNFPA. (2009). Adding it up: The costs and benefits of investing in family planning and maternal newborn health.
Cita Chicago (17th ed.)UNFPA. Adding It Up: The Costs and Benefits of Investing in Family Planning and Maternal Newborn Health. 2009.
Cita MLA (8th ed.)UNFPA. Adding It Up: The Costs and Benefits of Investing in Family Planning and Maternal Newborn Health. 2009.
Atenció: Aquestes cites poden no estar 100% correctes.