Citazione Stile APA (7a Edizione)

Philippakis, A. S. (1978). Information systems through Cobol (2nded.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Philippakis, Andreas S. Information Systems Through Cobol. 2nded. New York: McGraw-Hill, 1978.

Citatione MLA (9a ed.)

Philippakis, Andreas S. Information Systems Through Cobol. 2nded. McGraw-Hill, 1978.