Dyfyniad APA

Roll, E. (1956). A history of economic thought. Prentice-Hall.

Dyfyniad Arddull Chicago

Roll, Erich. A History of Economic Thought. Englewood Cliffs, N. J: Prentice-Hall, 1956.

Dyfyniad MLA

Roll, Erich. A History of Economic Thought. Prentice-Hall, 1956.

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