Gaya APA

Fanani, A., Danesh, R. (2009). Ielts international english language testing system (Cet.1). Yogyakarta: Balqist.

Gaya MLA

Fanani, Ahmad., Danesh, Ron. "Ielts international english language testing system". Cet.1 Yogyakarta: Balqist, 2009. Text.