Dyfyniad APA

(1980). Building your population education collection. Population Education Clearing House, Unesco Regional Office for Education in Asia and Oceania.

Dyfyniad Arddull Chicago

Building Your Population Education Collection. Bangkok: Population Education Clearing House, Unesco Regional Office for Education in Asia and Oceania, 1980.

Dyfyniad MLA

Building Your Population Education Collection. Population Education Clearing House, Unesco Regional Office for Education in Asia and Oceania, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.