APA aipamena

Welburn, T. (1983). Advanced structured COBOL: Batch, on-line, and data-base concepts.

Chicago Style aipamena

Welburn, Tyler. Advanced Structured COBOL: Batch, On-line, and Data-base Concepts. 1983.

MLA aipamena

Welburn, Tyler. Advanced Structured COBOL: Batch, On-line, and Data-base Concepts. 1983.

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