APA aipamena

Pierce, D., & Kinsell, S. (2007). Cracking the TOEFL iBT. Random House.

Chicago Style aipamena

Pierce, Douglas, and Sean Kinsell. Cracking the TOEFL IBT. New York: Random House, 2007.

MLA aipamena

Pierce, Douglas, and Sean Kinsell. Cracking the TOEFL IBT. Random House, 2007.