Gaya APA

m.sc, S, D. (2012). Commentary for Academic Writing for Graduate Studnets: Essential Tasks and Skills (3rd Edition) . USA: the university of michigan.

Gaya MLA

m.sc, Siti, Dahlia,. "Commentary for Academic Writing for Graduate Studnets: Essential Tasks and Skills (3rd Edition)". USA: the university of michigan, 2012. Text.