Dyfyniad APA

Schnell, G. A. (1983). The Study of population: Elements, pattern processes. Merrill.

Dyfyniad Arddull Chicago

Schnell, George A. The Study of Population: Elements, Pattern Processes. London, Charles E.: Merrill, 1983.

Dyfyniad MLA

Schnell, George A. The Study of Population: Elements, Pattern Processes. Merrill, 1983.

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