Dyfyniad APA

Penson, H. (1933). The economics of business life. New York: Cambridge at the University Press.

Dyfyniad Arddull Chicago

Penson, Henry. The Economics of Business Life. New York: Cambridge at the University Press, 1933.

Dyfyniad MLA

Penson, Henry. The Economics of Business Life. New York: Cambridge at the University Press, 1933.

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