Stevenson, W. J. (2009). Operations management (10th ed.). McGraw-Hill/Irwin.
Lua i Stíl Chicago (17ú heag.)Stevenson, William J. Operations Management. 10th ed. Boston ; New York ; New Delhi: McGraw-Hill/Irwin, 2009.
Lua MLA (8ú heag.)Stevenson, William J. Operations Management. 10th ed. McGraw-Hill/Irwin, 2009.
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