| title | media type | ISBN-13 | year of publication | |
|---|---|---|---|---|
| Petroleum: Downstream | Paperback | 978-0-435-29018-4 | 1983 | |
| Petroleum: Upstream | " | 978-0-435-29001-6 | 1981 | |
| Society and the Language Classroom | " | 978-0-521-49949-1 | 2010 | |
| Society and the Language Classroom | Hardcover | 978-0-521-49616-2 | 1997 | |
| Working with Language: A Multidisciplinary Consideration of Language Use in Work Contexts | Gebunden | 978-3-11-011643-4 | 1989 |
Cambridge University Press · De Gruyter · Heinemann