Gaya APA

Mazak, C. et al (2007). THE MICHIGAN GUIDE TO ENGLISH FOR ACADEMIC SUCCESS AND BETTER TOEFL TEST SCORES . AMERIKA: Ann Arbor University of Michigan Press.

Gaya MLA

Mazak, Catherine. et al. "THE MICHIGAN GUIDE TO ENGLISH FOR ACADEMIC SUCCESS AND BETTER TOEFL TEST SCORES". AMERIKA: Ann Arbor University of Michigan Press, 2007. Text.