Lange, O. (1970). Papers in economics and sociology ([1st English ed.].). Pergamon Press.
Chicago-čujuhus (17. p.)Lange, Oskar. Papers in Economics and Sociology. [1st English ed.]. New York: Pergamon Press, 1970.
MLA-čujuhus (9. p.)Lange, Oskar. Papers in Economics and Sociology. [1st English ed.]. Pergamon Press, 1970.
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