Dyfyniad APA

Bagley, W. C., & Perdew, R. M. (1951). Understanding economics. Macmillan.

Dyfyniad Arddull Chicago

Bagley, William Chandler, and Richard Melville Perdew. Understanding Economics. New York: Macmillan, 1951.

Dyfyniad MLA

Bagley, William Chandler, and Richard Melville Perdew. Understanding Economics. Macmillan, 1951.

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