| title | media type | ISBN-13 | year of publication | 
|---|---|---|---|
| Power Management | Paperback | 978-0-13-687674-8 | 1984 | 
| Power Management | Hardcover | 978-0-13-687682-3 | 1984 | 
| Power selling: A three-step program for successful selling | Paperback | 978-0-13-688417-0 | 1985 | 
| Power selling: A three-step program for successful selling | " | 978-0-13-688425-5 | 1985 |