Dyfyniad APA

McHale, M. C., & McHale, J. (1979). Children in the world. Population Reference Bureau.

Dyfyniad Arddull Chicago

McHale, Magda Cordell, and John McHale. Children in the World. Washington: Population Reference Bureau, 1979.

Dyfyniad MLA

McHale, Magda Cordell, and John McHale. Children in the World. Population Reference Bureau, 1979.

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