Shelly, G. B., Cashman, T. J., & Foreman, R. O. (1996). Structured COBOL programming. Danvers, Mass.: International Thomson pub..
シカゴスタイル引用形Shelly, Gary B., Thomas J. Cashman, , Roy O. Foreman. Structured COBOL Programming. Danvers, Mass.: International Thomson pub., 1996.
MLA引用形式Shelly, Gary B., Thomas J. Cashman, , Roy O. Foreman. Structured COBOL Programming. Danvers, Mass.: International Thomson pub., 1996.
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