World Health Organization. (2002). Research on reproductive Health at WHO: Biennial Report 2000-2001. World Health Organization.
Cita Chicago (17th ed.)World Health Organization. Research on Reproductive Health at WHO: Biennial Report 2000-2001. Geneva: World Health Organization, 2002.
Cita MLA (8th ed.)World Health Organization. Research on Reproductive Health at WHO: Biennial Report 2000-2001. World Health Organization, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.