APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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