(1997). Resource manuals for population education. United Nations Population Fund Department of Education.
Citazione stile Chigago Style (17a edizione)Resource Manuals for Population Education. Makati City, Pasig City: United Nations Population Fund Department of Education, 1997.
Citatione MLA (9a ed.)Resource Manuals for Population Education. United Nations Population Fund Department of Education, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.