Covers: Open Library
Covers: Open Library
| Format | Publisher | Year | ISBN |
|---|---|---|---|
| Edition | APA Publication | 1993 | 9780395657713 |
| Edition | APA | 1993 | 9789624211740 |
| Edition | Harrap | 1984 | 9780245541186 |
| Edition | Apa Productions | 1983 | 9789971925338 |
| Paperback | APA Productions | 1978 | 9789971941178 |