R.K. · Roger Knight · Roger Knights
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Grammar of Spoken English | 978-0-521-29040-1 (0-521-29040-6) | 1976 | Harold E. Palmer · F. G. Blandford |
| A Grammar of Spoken Englsh | 978-0-521-21097-3 (0-521-21097-6) | 1975 | Harold E. Palmer · F. G. Blandford |