| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| International Business | 978-0-03-022378-5 (0-03-022378-4) | 1998 | Michael R. Czinkota · Ilkka A. Ronkainen · Michael H. Moffett · Hbj College |
| Sommerfeld Concepts of Taxation-93 | 978-0-03-096384-1 (0-03-096384-2) | 1992 | |