Dyfyniad APA

Roll, E. (1956). A history of economic thought. Englewood Cliffs: Prentice-Hall, Inc.

Dyfyniad Arddull Chicago

Roll, Eric. A History of Economic Thought. Englewood Cliffs: Prentice-Hall, Inc, 1956.

Dyfyniad MLA

Roll, Eric. A History of Economic Thought. Englewood Cliffs: Prentice-Hall, Inc, 1956.

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