Jacobs, F. R. (2008). Operations and supply management The core. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Jacobs, F. Robert. Operations and Supply Management The Core. McGraw-Hill, 2008.
Lua MLA (8ú heag.)Jacobs, F. Robert. Operations and Supply Management The Core. McGraw-Hill, 2008.
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