Gaya APA

Cameron, P. et al (2010). Prepare For Ielts : General Training Practice Tests (Cet.2). Jakarta: PT Gramedia Pustaka Utama.

Gaya MLA

Cameron, Penny. et al. "Prepare For Ielts : General Training Practice Tests". Cet.2 Jakarta: PT Gramedia Pustaka Utama, 2010. Text.