APA Style

Bittel, L, R. et al (1988). Business model and activity file for business in action 3 Ed. (3). New York: Mc Graw-Hill.

MLA Style

Bittel, Lester, R. et al. "Business model and activity file for business in action 3 Ed.". 3 New York: Mc Graw-Hill, 1988. Manajemen.