KAXMICS,PHILIPPAKIS. (1978). INTRO SYSTEM THROUGH COBOL2ND. MC GRAW HILL.
Cita Chicago Style (17a ed.)KAXMICS,PHILIPPAKIS. INTRO SYSTEM THROUGH COBOL2ND. ENGLAND: MC GRAW HILL, 1978.
Cita MLA (9a ed.)KAXMICS,PHILIPPAKIS. INTRO SYSTEM THROUGH COBOL2ND. MC GRAW HILL, 1978.
Precaución: Estas citas no son 100% exactas.