Dyfyniad APA

Park, C. W. (1965). The population explosion. Heinemann Educational Books.

Dyfyniad Arddull Chicago

Park, Cyril Wright. The Population Explosion. London: Heinemann Educational Books, 1965.

Dyfyniad MLA

Park, Cyril Wright. The Population Explosion. Heinemann Educational Books, 1965.

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