Gaya APA

Gear, J., Gear, R. (2006). (F. TEKNIK) AUDIO CDs 1-8 : Cambridge Preparation for the TOEFL Test (Fourth Edition) (Fourth Edition). New York - Amerika: Cambridge University Press.

Gaya MLA

Gear, Jolene., Gear, Robert. "(F. TEKNIK) AUDIO CDs 1-8 : Cambridge Preparation for the TOEFL Test (Fourth Edition)". Fourth Edition New York - Amerika: Cambridge University Press, 2006. CD-ROM.