Newcomer, L. R. (1995). Schaum's outline of theory and problems of programming with modern structured COBOL (2nd edition.). McGraw-Hill.
Παραπομπή σε μορφή Chicago (17η εκδ.)Newcomer, Lawrence R. Schaum's Outline of Theory and Problems of Programming with Modern Structured COBOL. 2nd edition. New York: McGraw-Hill, 1995.
Παραπομπή σε μορφή MLA (8th εκδ.)Newcomer, Lawrence R. Schaum's Outline of Theory and Problems of Programming with Modern Structured COBOL. 2nd edition. McGraw-Hill, 1995.
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