Gaya APA

S.S, W, P. (2015). ENGLLISH GRAMAR ANND EVEERYDAY CONVERSATION . Surabaya: Amelia.

Gaya MLA

S.S, Wahyu, Purnomo,. "ENGLLISH GRAMAR ANND EVEERYDAY CONVERSATION". Surabaya: Amelia, 2015. Textbook.