APA
Shelly G. B., . (2000). Structured COBOL programming 2nd ed. [Place of publication not identified]: Thomson Learning.
Chicago
Shelly Gary B, . 2000. Structured COBOL programming 2nd ed. [Place of publication not identified]: Thomson Learning.
Harvard
Shelly G. B., . (2000). Structured COBOL programming 2nd ed. [Place of publication not identified]: Thomson Learning.
MLA
Shelly Gary B, . Structured COBOL programming 2nd ed. [Place of publication not identified]: Thomson Learning. 2000.