Machlup, F. (1980). Knowledge, its creation, distribution, and economic significance. New Jersey: Princeton University Press.
Trích dẫn kiểu ChicagoMachlup, Fritz. Knowledge, Its Creation, Distribution, and Economic Significance. New Jersey: Princeton University Press, 1980.
MLA citiranjeMachlup, Fritz. Knowledge, Its Creation, Distribution, and Economic Significance. New Jersey: Princeton University Press, 1980.
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