Gaya APA

Wright, S, W. (2011). Soal-Soal Grammar Toefl Lengkap & Terkini (1). Yogyakarta: Kalarana Press.

Gaya MLA

Wright, Stacey, Whitney. "Soal-Soal Grammar Toefl Lengkap & Terkini". 1 Yogyakarta: Kalarana Press, 2011. Text.