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.