Gaya APA

ZUMAKHSIN, ., Mufarichah, Y. (2005). Progress 2 A Contextual Approach to Learning English An English Texbook for Senior High School . Jakarta: Ganeca Exact.

Gaya MLA

ZUMAKHSIN, ., Mufarichah, Yulia. "Progress 2 A Contextual Approach to Learning English An English Texbook for Senior High School". Jakarta: Ganeca Exact, 2005. Reference.