Gaya APA

Sumiratingratri, E, F, D, R. (2009). English Is Cool . Bekasi: PT. Cahaya Pustaka Raga.

Gaya MLA

Sumiratingratri, Erna, Fitrini, Dan, Ratih. "English Is Cool". Bekasi: PT. Cahaya Pustaka Raga, 2009. Text.