Gaya APA

Zumakshin, ., Mufarichah, Y. (2007). Progress A Contextual Approach To Learning English An English Textbook For Senior High School Grade X . Jakarta: ganeca exact.

Gaya MLA

Zumakshin, ., Mufarichah, Yulia. "Progress A Contextual Approach To Learning English An English Textbook For Senior High School Grade X". Jakarta: ganeca exact, 2007. Text.