Brown, Gary D.
Advanced ANS cobol: with structured programming
John Wiley & Sons, 1977
 Buku Teks SO
Armstrong, Russell M.
Modular programming in cobol
John Wiley & Sons, 1973
 Buku Teks SO
McCraken, Daniel D.
A Simplified guide to structured cobol programming
John Wiley & Sons, 1976
 Buku Teks SO
Noll, Paul
The Structured programming cookbook: a productivity tool for the cobol programmer
Mike Murach & Associates, Inc, 1978
 Buku Teks SO
Seidel, Kenneth P.
Cobol
Goodyear , 1971
 Buku Teks SO