Gaya APA

S, E, I. (2014). INTERACTIVE ENGLISH junior haigh school grade VII (Cet 2). JAKARTA TMUR: YUDISTIRA.

Gaya MLA

S, Emalia, Iragiliati. "INTERACTIVE ENGLISH junior haigh school grade VII". Cet 2 JAKARTA TMUR: YUDISTIRA, 2014. Text.