Churchill/Ford/Walker's sales force management /
Mark W. Johnston, Greg W. Marshall.
- 9th ed.
- Boston : McGraw-Hill Irwin, c2009.
- xx, 524 p. : ill. (some col.), charts ; 26 cm.
- Mcgraw-Hill/Irwin series in marketing .
Includes bibliographical references (p. 493-508) and indexes.