Dyfyniad APA

Thompson, W. S. (1935). Population problems (2d ed.). McGraw-Hill Book Company, inc..

Dyfyniad Arddull Chicago

Thompson, Warren Simpson. Population Problems. 2d ed. New York, London: McGraw-Hill Book Company, inc., 1935.

Dyfyniad MLA

Thompson, Warren Simpson. Population Problems. 2d ed. McGraw-Hill Book Company, inc., 1935.

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