| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| English Grammar: Understanding the Basics | Printed Access Code | 978-0-511-79480-3 (0-511-79480-0) | 2012 | Robert M. Vago |
| English Grammar: Understanding the Basics | Paperback | 978-0-521-73216-1 (0-521-73216-6) | 2011 | |
| English Grammar: Understanding the Basics | Hardcover | 978-0-521-51832-1 (0-521-51832-6) | 2010 | Robert M. Vago |