Essentials Of COBOL Programming:A Structured Approach
1982 年出版145 页ISBN：091489434X
STRUCTURED COBOL FUNDAMENTALS AND STYLE SECOND EDITION
TYLER WELBURN1986 年出版728 页ISBN：0874846749
STRUCTURED COBOL PROGRAMMING:INTERACTIVE AND BATCH PROCESSING
BERNARD L.LEVITE1995 年出版602 页ISBN：0877098921
STRUCTURED COBOL A STEP BY STEP APPROACH
CHARLES R.LITECKY GORDON B.DAVIS1987 年出版401 页ISBN：007015788X
Effective Use of ANS COBOL Computer Programming Language
1975 年出版178 页ISBN：0471164364
File techniques for data base organization in COBOL 1981
2222 年出版368 页ISBN：0133140393
ELEMENTARY STRUCTURED COBOL A STEP BY STEP APPROACH
GORDON B.DAVIS MARGRETHE H.OLSON CHARLES R.LITECKY1977 年出版312 页ISBN：0070157820
