Gaya APA

Zumakhsin, . (2005). Progress 3: A Contetual Approach to Learning English, An English Textbook for Senior High School IPA & IPS Program (Cet. 1). Jakarta: Ganeca Exact.

Gaya MLA

Zumakhsin, . "Progress 3: A Contetual Approach to Learning English, An English Textbook for Senior High School IPA & IPS Program". Cet. 1 Jakarta: Ganeca Exact, 2005. Text.