UNFPA. (2009). Adding it up: The costs and benefits of investing in family planning and maternal newborn health.
Chicago Style aipamenaUNFPA. Adding It Up: The Costs and Benefits of Investing in Family Planning and Maternal Newborn Health. 2009.
MLA aipamenaUNFPA. Adding It Up: The Costs and Benefits of Investing in Family Planning and Maternal Newborn Health. 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.