BUFFA, E. S. (1983). Modern Production Operation Management Elwood S. Buffa. John Willey & Sons.
Lua i Stíl Chicago (17ú heag.)BUFFA, Elwood S. Modern Production Operation Management Elwood S. Buffa. John Willey & Sons, 1983.
Lua MLA (8ú heag.)BUFFA, Elwood S. Modern Production Operation Management Elwood S. Buffa. John Willey & Sons, 1983.
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