Cita APA (7th ed.)

Shelly, G. B. (1985). Flowchart Structured cobol.

Cita Chicago (17th ed.)

Shelly, Gary B. Flowchart Structured Cobol. Saturn St., Brea, Ca.: Anaheim, 1985.

Cita MLA (9th ed.)

Shelly, Gary B. Flowchart Structured Cobol. 1985.