Dyfyniad APA

Menger, C. (1963). Problems of economics and sociology. University of Illinois Press.

Dyfyniad Arddull Chicago

Menger, Carl. Problems of Economics and Sociology. Urbana: University of Illinois Press, 1963.

Dyfyniad MLA

Menger, Carl. Problems of Economics and Sociology. University of Illinois Press, 1963.

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