Gaya APA

Bates, N. (2005). REAL TIME 3: An Interactive English Course for Junior High School Student Year IX . Jakarta: PT Phibeta Aneka Gama.

Gaya MLA

Bates, Nina. "REAL TIME 3: An Interactive English Course for Junior High School Student Year IX". Jakarta: PT Phibeta Aneka Gama, 2005. Text.