Dyfyniad APA

Lange, O. (1970). Papers in economics and sociology ([1st English ed.].). Pergamon Press.

Dyfyniad Arddull Chicago

Lange, Oskar. Papers in Economics and Sociology. [1st English ed.]. New York: Pergamon Press, 1970.

Dyfyniad MLA

Lange, Oskar. Papers in Economics and Sociology. [1st English ed.]. Pergamon Press, 1970.

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