Citazione Stile APA (7a Edizione)
Fenton, J. P., & Williams, B. K. (1988). Structured COBOL: Programming and problem solving (1.ed.). Times Mirror/Mosby College Publishing.
Citazione stile Chigago Style (17a edizione)
Fenton, J. Patrick, e Brian K. Williams. Structured COBOL: Programming and Problem Solving. 1.ed. St.Louis: Times Mirror/Mosby College Publishing, 1988.
Citatione MLA (9a ed.)
Fenton, J. Patrick, e Brian K. Williams. Structured COBOL: Programming and Problem Solving. 1.ed. Times Mirror/Mosby College Publishing, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.