Stevenson, W. (2017). Operations Management (12th.). MCGraw Hill.
Lua i Stíl Chicago (17ú heag.)Stevenson, William. Operations Management. 12th. Haryana: MCGraw Hill, 2017.
Lua MLA (9ú heag.)Stevenson, William. Operations Management. 12th. MCGraw Hill, 2017.
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