Communication and group process : techniques for improving the quality of small-group communication /
Halbert E. Gulley, Dale G. Leathers.
- 3d ed.
- New York : Holt, Rinehart and Winston, 1977.
- vii, 286 p. : ill.
First and second editions published in 1960 and 1968 under title: Discussion, conference, and group process.