Gaya APA

Zumakhsin, ., Mufarichah, Y. (2005). Progress A Contextual Approach to Learning English For Senior High School Grade XI . Jakarta: Ganeca Exact.

Gaya MLA

Zumakhsin, ., Mufarichah, Yulia. "Progress A Contextual Approach to Learning English For Senior High School Grade XI". Jakarta: Ganeca Exact, 2005. Art Original.