Sølvberg, A., & Kung, C. (1993). Information systems engineering: An introduction. Springer-Verlag.

Sølvberg, Arne, and Chen Kung. Information Systems Engineering: An Introduction. Berlin ; New York: Springer-Verlag, 1993.

Sølvberg, Arne, and Chen Kung. Information Systems Engineering: An Introduction. Springer-Verlag, 1993.