Gaya APA

Couger, J, D. (1984). First course in data processing with Basic, Cobol Fortran and RPG (Ed.3rd). New York: John Wiley.

Gaya MLA

Couger, J., Daniel. "First course in data processing with Basic, Cobol Fortran and RPG". Ed.3rd New York: John Wiley, 1984. Text.