Gaya APA

FENTON, J., Williams, B, K. (1988). STRUCTURED COBOL PROGRAMMING AND PROBLEM SOLVING . St.Louis: Times Mirrir/Mosby College Publishing.

Gaya MLA

FENTON, J.Patrick., Williams, Brian, K.. "STRUCTURED COBOL PROGRAMMING AND PROBLEM SOLVING". St.Louis: Times Mirrir/Mosby College Publishing, 1988. Textbook.