Dyfyniad APA

Roll of Ipsden, E. R. (1975). A history of economic thought (4th ed., revised and enlarged.). Oxford University Press.

Dyfyniad Arddull Chicago

Roll of Ipsden, Eric Roll. A History of Economic Thought. 4th ed., revised and enlarged. Calcutta: Oxford University Press, 1975.

Dyfyniad MLA

Roll of Ipsden, Eric Roll. A History of Economic Thought. 4th ed., revised and enlarged. Oxford University Press, 1975.

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