Cita APA (7a ed.)

Wetherbe, J. C. (1988). Systems analysis and design (3rd ed.). West Pub. Co..

Cita Chicago Style (17a ed.)

Wetherbe, James C. Systems Analysis and Design. 3rd ed. St. Paul: West Pub. Co., 1988.

Cita MLA (9a ed.)

Wetherbe, James C. Systems Analysis and Design. 3rd ed. West Pub. Co., 1988.