| title | ISBN-13 | year of publication |
|---|---|---|
| Computer Business and Security | 978-0-409-90065-1 | 1987 |
| Managing Information Security: A Program for the Electronic Information Age | 978-0-409-95055-7 | 1982 |
| Managing Information Security: A Programme for the Electronic Information Age | 978-0-409-90195-5 | 1990 |
| Protecting Information on Local Area Networks | 978-0-409-90138-2 | 1988 |