Gaya APA

Sumiratingratri, E, F, D, R. (2009). Speaking English at Home and School (C1). Bekasi: PT Cahaya Pustaka Raga.

Gaya MLA

Sumiratingratri, Erna, Fitriani, Dan, Ratih. "Speaking English at Home and School". C1 Bekasi: PT Cahaya Pustaka Raga, 2009. Text.