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ROBERT C.NICKERSON2222 年出版561 页ISBN：0316606480
STRUCTURED COBOL FUNDAMENTALS AND STYLE SECOND EDITION
TYLER WELBURN1986 年出版728 页ISBN：0874846749
Essentials Of COBOL Programming:A Structured Approach
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Structured ANS COBOL Part 1:A Course for Novices Using a Subset Of 1974 and 1985 ANS COBOL Second Ed
1986 年出版438 页ISBN：0911625372
FUNDAMENTALS OF FORTRAN 77 PROGRAMMING A STRUCTURED APPROACH THIRD EDITION
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