Dyfyniad APA

Pressat,Ronald, & Wilson,Christopher. (1985). The dictionary of demography. Basil Blackwell.

Dyfyniad Arddull Chicago

Pressat,Ronald, and Wilson,Christopher. The Dictionary of Demography. New York: Basil Blackwell, 1985.

Dyfyniad MLA

Pressat,Ronald, and Wilson,Christopher. The Dictionary of Demography. Basil Blackwell, 1985.

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