Taft, P. (1948). Economics and problems of labor (Second edition.). Stackpole & Heck.
Chicago-čujuhus (17. p.)Taft, Philip. Economics and Problems of Labor. Second edition. New York, N.Y: Stackpole & Heck, 1948.
MLA-čujuhus (9. p.)Taft, Philip. Economics and Problems of Labor. Second edition. Stackpole & Heck, 1948.
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