Gaya APA

Prastowo, P., Sawitri, N. (2011). Tebas Grammar Toefl Setuntas-tuntasnya / Panca Prastowo (Cet. 1). Yogyakarta: Diva Press.

Gaya MLA

Prastowo, Panca., Sawitri, Nawang. "Tebas Grammar Toefl Setuntas-tuntasnya / Panca Prastowo". Cet. 1 Yogyakarta: Diva Press, 2011. Text.