BHATTACHARYYA DIPAK KUMAR. (1999). PRODUCTION AND OPERATIONS MANAGEMENT. EXCEL BOOK.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBHATTACHARYYA DIPAK KUMAR. PRODUCTION AND OPERATIONS MANAGEMENT. NEW DELHI: EXCEL BOOK, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBHATTACHARYYA DIPAK KUMAR. PRODUCTION AND OPERATIONS MANAGEMENT. EXCEL BOOK, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.