APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

Shelly, Gary B. Flowchart Structured Cobol. 1985.