UNFP. (2003). State of world population 2003: Making 1 billion count: investing in adolescents health and rights. United Nations population Fund.
استشهاد بنمط شيكاغوUNFP. State of World Population 2003: Making 1 Billion Count: Investing in Adolescents Health and Rights. New York: United Nations population Fund, 2003.
MLA استشهادUNFP. State of World Population 2003: Making 1 Billion Count: Investing in Adolescents Health and Rights. United Nations population Fund, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.