Programmed learning aid for COBOL :
a first course /
Richard W. Lott ; coordinating editor, Roger H. Hermanson.

APA Citation

Lott, R. W., Hermanson, R. H. (1977). Programmed learning aid for COBOL: a first course. Homewood, Ill.: Learning Systems.

MLA Citation

Lott, Richard W, and Roger H Hermanson. Programmed Learning Aid for COBOL: a First Course. Homewood, Ill.: Learning Systems, 1977.

Warning: These citations may not always be complete (especially for serials).