Gaya APA

Laugheed, L. (2008). Barrons IELTS: international english language testing system (dilengkapi CD) (Cet.1). Tangerang: Bina Rupa Akssara Publising.

Gaya MLA

Laugheed, Lin. "Barrons IELTS: international english language testing system (dilengkapi CD)". Cet.1 Tangerang: Bina Rupa Akssara Publising, 2008. Skripsi.