Gaya APA

S., E, I. et al (2009). Interactive english 3 : junior high school grade IX (Ed. 1, Cet. 1). Jakarta Timur: Yudhistira.

Gaya MLA

S., Emalia, Irigaliati. et al. "Interactive english 3 : junior high school grade IX". Ed. 1, Cet. 1 Jakarta Timur: Yudhistira, 2009. Text.