Dyfyniad APA

Philippakis, A. S. (1974). Information systems through COBOL/2nd ed (2nd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Philippakis, Andreas S. Information Systems Through COBOL/2nd Ed. 2nd ed. Auckland: McGraw-Hill, 1974.

Dyfyniad MLA

Philippakis, Andreas S. Information Systems Through COBOL/2nd Ed. 2nd ed. McGraw-Hill, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.