Drummond, H. (1992). The quality movement: What total quality management is really all about! UBSPD ; Kogan Page ; Nichols Pub..
Cita Chicago (17th ed.)Drummond, 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.
Cita MLA (8th ed.)Drummond, Helga. The Quality Movement: What Total Quality Management Is Really All About! UBSPD ; Kogan Page ; Nichols Pub., 1992.
Atenció: Aquestes cites poden no estar 100% correctes.