Cita APA (7th ed.)

Department of Economic and Social Affairs & Département des Affaires Economiques et Sociales. (2001). 1999 Demographic yearbook. United Nations.

Cita Chicago (17th ed.)

Department of Economic and Social Affairs i Département des Affaires Economiques et Sociales. 1999 Demographic Yearbook. Nueva York: United Nations, 2001.

Cita MLA (9th ed.)

Department of Economic and Social Affairs i Département des Affaires Economiques et Sociales. 1999 Demographic Yearbook. United Nations, 2001.