Gaya APA

Anwar, M, F., Marsudiono, E. (2008). English in Progress: English Textbook for SMK Year XI Elementary Level (Cet. 1). Jakarta: YUDHISTIRA.

Gaya MLA

Anwar, Munash, Fauzie., Marsudiono, Eko. "English in Progress: English Textbook for SMK Year XI Elementary Level". Cet. 1 Jakarta: YUDHISTIRA, 2008. Text.