Cita APA (7th ed.)

United Nations Population Fund. (2009). UNFPA state of world population 2009: Facing a changing world : women, population and climate. United Nations Population Fund.

Cita Chicago (17th ed.)

United Nations Population Fund. UNFPA State of World Population 2009: Facing a Changing World : Women, Population and Climate. New York , N.Y: United Nations Population Fund, 2009.

Cita MLA (9th ed.)

United Nations Population Fund. UNFPA State of World Population 2009: Facing a Changing World : Women, Population and Climate. United Nations Population Fund, 2009.