| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Promotional Management | 978-0-13-731019-7 (0-13-731019-6) | 1985 | Robert Eng · Morton Galper |
| Promotional Management: Issues and Perspectives | 978-0-13-731035-7 (0-13-731035-8) | 1987 | Robert Eng · Morton Galper |