BUFFA, E. S. (1994). Modern Production Operations Management Elwood S. Buffa, Rakesh K Sarin. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)BUFFA, Elwood S. Modern Production Operations Management Elwood S. Buffa, Rakesh K Sarin. John Wiley & Sons, 1994.
Lua MLA (8ú heag.)BUFFA, Elwood S. Modern Production Operations Management Elwood S. Buffa, Rakesh K Sarin. John Wiley & Sons, 1994.
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