Παραπομπή APA

UNFP. (2003). State of world population 2003: Making 1 billion count: investing in adolescents health and rights. United Nations population Fund.

Παραπομπή Chicago Style

UNFP. State of World Population 2003: Making 1 Billion Count: Investing in Adolescents Health and Rights. New York: United Nations population Fund, 2003.

Παραπομπή MLA

UNFP. State of World Population 2003: Making 1 Billion Count: Investing in Adolescents Health and Rights. United Nations population Fund, 2003.