(1997). Population education curriculum. United Nations Population Fund Department of Education.
Chicago-referens (17:e uppl.)Population Education Curriculum. Makati City, Pasig City: United Nations Population Fund Department of Education, 1997.
MLA-referens (9:e uppl.)Population Education Curriculum. United Nations Population Fund Department of Education, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.