Dyfyniad APA

Robbins, L. (1954). The economist in the twentieth century. New York: MacMillan & Co, Ltd.

Dyfyniad Arddull Chicago

Robbins, Lionel. The Economist in the Twentieth Century. New York: MacMillan & Co, Ltd, 1954.

Dyfyniad MLA

Robbins, Lionel. The Economist in the Twentieth Century. New York: MacMillan & Co, Ltd, 1954.

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