Drummond, H. (1992). The quality movement: What total quality management is really all about! UBSPD ; Kogan Page ; Nichols Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDrummond, Helga. The Quality Movement: What Total Quality Management Is Really All About! new Delhi : London : East Brunswick, N.J.: UBSPD ; Kogan Page ; Nichols Pub., 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDrummond, Helga. The Quality Movement: What Total Quality Management Is Really All About! UBSPD ; Kogan Page ; Nichols Pub., 1992.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.