| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Business, government, and society | 978-0-02-347120-9 | 1987 | |
| Industrial Organization and Public Policy | 978-0-02-347140-7 | 1992 | |
| Industrial organization and public policy | 978-0-02-347070-7 | 1984 | |
| Industrial organization and public policy | 978-0-02-347020-2 | 1980 | |
| Principles of Economics | 978-0-02-339430-0 | 1989 | Richard T. Froyen |