Gaya APA

Madjdi, Z, D, H. (2004). Progress A Contextual Approach to Learning English, an English Textbook For Senior High School Year 1 (Kurikulum 2004). Jakarta: GANECA EXACT.

Gaya MLA

Madjdi, Zumakhsin, Dan, Hilal. "Progress A Contextual Approach to Learning English, an English Textbook For Senior High School Year 1". Kurikulum 2004 Jakarta: GANECA EXACT, 2004. Text.