H. E. · P.E. · Peter Engel · Peter H.
HarperCollins · McGraw-Hill · St. Martin's Press
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Business Presentations and Public Speaking | 978-0-07-001565-4 (0-07-001565-1) | 1996 |
| High gloss | 978-0-312-37232-3 (0-312-37232-9) | 1979 |
| The SOHO* Desk Reference: A Practical A to Z Guide for Entrepreneur | 978-0-06-270144-2 (0-06-270144-4) | 1997 |