Gaya APA

Bates, S. (2011). Oxford Preparation Course For The Toefl iBT Exam: A Skills-Based Communication Approach (cet. 1). London: Oxford University Press.

Gaya MLA

Bates, Susan. "Oxford Preparation Course For The Toefl iBT Exam: A Skills-Based Communication Approach". cet. 1 London: Oxford University Press, 2011. Text.