Fendrich, C. W. (1966). The industrial product management system. American Management Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFendrich, C Welles. The Industrial Product Management System. [New York]: American Management Association, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFendrich, C Welles. The Industrial Product Management System. American Management Association, 1966.
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