.Stevenson, W. J. (1999). Production operations management (6rd ed.). Irwin.
Chicago-čujuhus (17. p.).Stevenson, William J. Production Operations Management. 6rd ed. Homewood, IL: Irwin, 1999.
MLA-čujuhus (9. p.).Stevenson, William J. Production Operations Management. 6rd ed. Irwin, 1999.
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