Black, Sam. 
Practical public relations /  by Sam Black ; with a foreword by F.C. Gillman.   - 4th ed.   - London :  Pitman,  1976.   - xiii,229p. ;  22cm.   - A Pitman international text .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .  - Pitman international texts. .