Gaya APA

Kahhar, J, S. (2012). 393 Words For Your Toefl Prepation (Cet.1). Yogyakarta: Lahar Publisher.

Gaya MLA

Kahhar, Joko, S. "393 Words For Your Toefl Prepation". Cet.1 Yogyakarta: Lahar Publisher, 2012. Text.