Liberman, E. G. (1972). Economic methods and the effectiveness of production. International Arts and Sciences Press.
Citace podle Chicago (17th ed.)Liberman, Evsei Grigor'evich. Economic Methods and the Effectiveness of Production. White Plains, N.Y: International Arts and Sciences Press, 1972.
Citace podle MLA (9th ed.)Liberman, Evsei Grigor'evich. Economic Methods and the Effectiveness of Production. International Arts and Sciences Press, 1972.
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