Παραπομπή APA
Φιλιππάκης, Α. Σ., & Kazmier, L. J. (1983). Program design concepts with applications in cobol (International student edition.). New York: McGraw-Hill Book Comp..
Παραπομπή Chicago StyleΦιλιππάκης, Ανδρέας Σ., and Leonard J. Kazmier. Program Design Concepts With Applications in Cobol. International student edition. New York: McGraw-Hill Book Comp., 1983.
Παραπομπή MLAΦιλιππάκης, Ανδρέας Σ., and Leonard J. Kazmier. Program Design Concepts With Applications in Cobol. International student edition. New York: McGraw-Hill Book Comp., 1983.
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