Citazione Stile APA (7a Edizione)

Wetherbe, J. C., & Vitalari, N. P. (1994). Systems analysis and design: Best practices (4th ed.). West Pub. Co..

Citazione stile Chigago Style (17a edizione)

Wetherbe, James C., e Nicholas P. Vitalari. Systems Analysis and Design: Best Practices. 4th ed. St. Paul/Minneapolis: West Pub. Co., 1994.

Citatione MLA (9a ed.)

Wetherbe, James C., e Nicholas P. Vitalari. Systems Analysis and Design: Best Practices. 4th ed. West Pub. Co., 1994.