Burch, J. G., & Grudnitski, G. (1989). Information systems: Theory and practice (5th ed.). Wiley.
Chicago (17e ed.) BronvermeldingBurch, John G., en Gary Grudnitski. Information Systems: Theory and Practice. 5th ed. New York: Wiley, 1989.
MLA (9e ed.) BronvermeldingBurch, John G., en Gary Grudnitski. Information Systems: Theory and Practice. 5th ed. Wiley, 1989.