Stern, Nancy B.
Structured COBOL programming
Wiley, 1994
 Buku Teks
Armstrong, Russell M.
Modular programming in cobol
John Wiley & Sons, 1973
 Buku Teks
Brown, Gary D.
Advanced ANS cobol: with structured programming
John Wiley & Sons, 1977
 Buku Teks
McCraken, Daniel D.
A Simplified guide to structured cobol programming
John Wiley & Sons, 1976
 Buku Teks
Findlay, William, 1947-
Pascal : an introduction to methodical programming
Computer Science Press, 1987
 Buku Teks