| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1993 | 978-0-9525149-0-9 | Mark Sebba | Focusing on Language: A Student's Guide to Research Planning, Data Collection, Analysis and Writing Up |
| 1995 | 978-0-9525149-1-6 | Mark Sebba | Focusing on Language: A Student's Guide to Research Planning, Data Collection, Analysis and Writing Up |
| 1998 | 978-0-9525149-3-0 | '' | Focusing on Language: A Student's Guide to Research Planning, Data Collection, Analysis and Writing Up |
| 2000 | 978-0-9525149-4-7 | '' | Focusing on Language: A Student's Guide to Research Planning, Data Collection, Analysis and Writing Up |