Gaya APA

SUMIRATINGRATRI, E, F, R. (2009). SPEAKING ENGLISH AT HOME AND SCHOOL . : PT CAHAYA PUSTAKA RAGA.

Gaya MLA

SUMIRATINGRATRI, ERNA, FITRINI, RATIH. "SPEAKING ENGLISH AT HOME AND SCHOOL". : PT CAHAYA PUSTAKA RAGA, 2009. .