Gaya APA

NICKELS, W, G. et al (1996). UNDERSTANDING BUSINESS (ED. 4). NEW YORK: RICHARD D. IRWIN, INC.

Gaya MLA

NICKELS, WILLIAM, G.. et al. "UNDERSTANDING BUSINESS". ED. 4 NEW YORK: RICHARD D. IRWIN, INC, 1996. Prodi S1 Manajemen.