Gaya APA

Rizka, H. (2015). Toefl : Test of English as a Foreign Language Self Preparation Course (1). Yogyakarta: Pustaka Baru Press.

Gaya MLA

Rizka, Haira. "Toefl : Test of English as a Foreign Language Self Preparation Course". 1 Yogyakarta: Pustaka Baru Press, 2015. Text.