| title | ISBN-13 | year of publication |
|---|---|---|
| Cases in marketing | 978-0-13-118985-0 | 1985 |
| Cases in marketing: decisions, policies, strategies | 978-0-13-118877-8 | 1972 |
| Sales management;: Decisions, policies, and cases | 978-0-13-787762-1 | 1969 |
| Sales management: Decisions, strategies, and cases | 978-0-13-788059-1 | 1981 |
R.R. · R. Ralph · R. S. · Richard R · Richard R. Still · Richard Ralph · Richard S. · Richard Still