(1973). Programming in standard COBOL [by] Gopal K. Kapur. -.
Cita Chicago (17th ed.)Programming in Standard COBOL [by] Gopal K. Kapur. -. 1973.
Cita MLA (9th ed.)Programming in Standard COBOL [by] Gopal K. Kapur. -. 1973.
Atenció: Aquestes cites poden no estar 100% correctes.