Wetherbe, J. C., & Vitalari, N. P. (1994). Systems analysis and design: Best practices (4th ed.). St. Paul/Minneapolis: West Pub. Co..
Chicago Style citaatWetherbe, James C., en Nicholas P. Vitalari. Systems Analysis and Design: Best Practices. 4th ed. St. Paul/Minneapolis: West Pub. Co., 1994.
MLA citatieWetherbe, James C., en Nicholas P. Vitalari. Systems Analysis and Design: Best Practices. 4th ed. St. Paul/Minneapolis: West Pub. Co., 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.