Dyfyniad APA

Macdonald, A. F. (1928). Federal aid: A study of the American subsidy system. T.Y. Crowell.

Dyfyniad Arddull Chicago

Macdonald, Austin F. Federal Aid: A Study of the American Subsidy System. New York: T.Y. Crowell, 1928.

Dyfyniad MLA

Macdonald, Austin F. Federal Aid: A Study of the American Subsidy System. T.Y. Crowell, 1928.

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