Gaya APA
Sprenger, C., Weldkamp, K, A. (1986).
Kellogg Business System Inc. : A Computerized Accounting Simulation for use with IBM & PC .
USA:
Richard D. Irwin.
Gaya MLA
Sprenger, Christine., Weldkamp, Kilth, At.all.
"Kellogg Business System Inc. : A Computerized Accounting Simulation for use with IBM & PC".
USA:
Richard D. Irwin,
1986.
Text.