McCameron, Fritz A. COBOL logic and programming / Fritz A. McCameron. - 5th ed. - Homewood, Ill. : R.D. Irwin, 1985. - xvi, 451 p. : ill. ; 24 cm. Includes index. ISBN: 0256032106 (pbk.) LCCN: 84081730 LC Class. No.: QA76.73.C25 / M4 1985 Dewey Class. No.: 005.13/3