| GMD | Text |
| Language | Eng |
| Classification | 001.6424 C639 G776 |
| Publisher | Englewood Cliffs, NJ, Prentice-Hall, c1983 |
| Subject | COBOL (Computer language).TRS-80 (Computer). |
| Series | Prentice-Hall series in personal computing |
| Description | xiii, 305 p. : ill. ; 28 cm. |
| ISBN | 9780139312120 |