DILWORTH JAMES B. (1986). PRODUCTION AND OPERATIONS MANAGEMENT MANUFACTURING & NON MANUFACTURING (3RD.). RANDOM HOUSE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDILWORTH JAMES B. PRODUCTION AND OPERATIONS MANAGEMENT MANUFACTURING & NON MANUFACTURING. 3RD. NEW YORK: RANDOM HOUSE, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDILWORTH JAMES B. PRODUCTION AND OPERATIONS MANAGEMENT MANUFACTURING & NON MANUFACTURING. 3RD. RANDOM HOUSE, 1986.
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