Drummond, H. (1992). The quality movement: What total quality management is really all about! UBSPD ; Kogan Page ; Nichols Pub..
Chicago-viite (17. p.)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.
MLA-viite (8. p.)Drummond, Helga. The Quality Movement: What Total Quality Management Is Really All About! UBSPD ; Kogan Page ; Nichols Pub., 1992.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.