Liberman, E. G. (1972). Economic methods and the effectiveness of production. International Arts and Sciences Press.
Chicago-referens (17:e uppl.)Liberman, Evsei Grigor'evich. Economic Methods and the Effectiveness of Production. White Plains, N.Y: International Arts and Sciences Press, 1972.
MLA-referens (9:e uppl.)Liberman, Evsei Grigor'evich. Economic Methods and the Effectiveness of Production. International Arts and Sciences Press, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.