Gaya APA

Endarti, E, T, M, &. (2017). Fokus Exercise "Ngobrol Inggris" (1). JOGJAKARTA: TRANS IDEA UBLISHING.

Gaya MLA

Endarti, Emirfan, T., Mulyati, &. "Fokus Exercise "Ngobrol Inggris"". 1 JOGJAKARTA: TRANS IDEA UBLISHING, 2017. Text.