APA Style

Guengerich, S., Schussel, G. (1994). Rightsizing Information Systems: Proven Methods for Re-engineering Complex Information Systems 2 Ed. (2). : Sams.

MLA Style

Guengerich, Steven., Schussel, George. "Rightsizing Information Systems: Proven Methods for Re-engineering Complex Information Systems 2 Ed.". 2 : Sams, 1994. Sistem Informasi.