Dyfyniad APA

Unesco. (1975). Teacher's study guide on the biology of human populations. Unesco Press.

Dyfyniad Arddull Chicago

Unesco. Teacher's Study Guide on the Biology of Human Populations. Paris: Unesco Press, 1975.

Dyfyniad MLA

Unesco. Teacher's Study Guide on the Biology of Human Populations. Unesco Press, 1975.

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