Gaya APA

Fanani, A., Danesh, R. (2009). Ielts The International English Language Testing System (Pertama). Yogyakarta: Balqist.

Gaya MLA

Fanani, Ahmad., Danesh, Ron. "Ielts The International English Language Testing System". Pertama Yogyakarta: Balqist, 2009. Text.