Shelly, G. B. (2000). Structured cobol programming (2nd ed.). Course Technology.
Chicago Style (17th ed.) CitationShelly, Gary B. Structured Cobol Programming. 2nd ed. Cambridge, Massachusetts: Course Technology, 2000.
ציטוט MLAShelly, Gary B. Structured Cobol Programming. 2nd ed. Course Technology, 2000.
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