Philippakis, Andreas S., author
Information systems through COBOL
McGraw-Hill, 1974
 Buku Teks
Dock, V. Thomas, author
Cobol: American national standard
Reston Publishing, 1973
 Buku Teks
Grauer, Robert T.
COBOL : a pragmatic approach
Prentice-Hall, 1978
 Buku Teks
McCracken, Daniel D., author
A guide to cobol programing
John Wiley & Sons, 1982
 Buku Teks
Boillot, Michael, author
Understanding structured cobol
West Publishing Co, 1982
 Buku Teks
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