Citazione Stile APA (7a Edizione)

Davis, W. S. (1983). Systems analysis and design: A structured approach. Addison-Wesley Publishing Company.

Citazione stile Chigago Style (17a edizione)

Davis, William S. Systems Analysis and Design: A Structured Approach. Reading, Massachusetts: Addison-Wesley Publishing Company, 1983.

Citatione MLA (9a ed.)

Davis, William S. Systems Analysis and Design: A Structured Approach. Addison-Wesley Publishing Company, 1983.