Gaya APA

Zumakshin, ., Mufarichah, Y. (2007). Progress A Contextual Approach to Learning EnglishGrade XII IPA & IPS Program (Cet 1). Jakarta: Ganeca Exact.

Gaya MLA

Zumakshin, ., Mufarichah, Yulia. "Progress A Contextual Approach to Learning EnglishGrade XII IPA & IPS Program". Cet 1 Jakarta: Ganeca Exact, 2007. Text.