Dyfyniad APA

Philippakis, A. S. (1978). Information System Through Cobol (Ed.2.). Mcgraw Hill Book Company.

Dyfyniad Arddull Chicago

Philippakis, Andreas S. Information System Through Cobol. Ed.2. Mcgraw Hill Book Company, 1978.

Dyfyniad MLA

Philippakis, Andreas S. Information System Through Cobol. Ed.2. Mcgraw Hill Book Company, 1978.

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