Stevenson, W. J. (1996). Production/operations Management William J. Stevenson. Irwin.
Lua i Stíl Chicago (17ú heag.)Stevenson, William J. Production/operations Management William J. Stevenson. Irwin, 1996.
Lua MLA (8ú heag.)Stevenson, William J. Production/operations Management William J. Stevenson. Irwin, 1996.
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