Gaya APA

Akhmadi, A. et al (2005). Smart steps the smartest way to learn english : an english textbook for junior high school viii (Cet. 1). Jakarta: Ganeca Exact.

Gaya MLA

Akhmadi, Ali. et al. "Smart steps the smartest way to learn english : an english textbook for junior high school viii". Cet. 1 Jakarta: Ganeca Exact, 2005. Text.