Pierce, D., Coggshall, V., & Kinsell, S. (2010). Cracking the toefl ibt with cd, 2011 edition (2011 edition.). Random House.
Chicago Style (17. basım) AtıfPierce, Douglas, Vanessa Coggshall, ve Sean Kinsell. Cracking the Toefl Ibt with Cd, 2011 Edition. 2011 edition. New York: Random House, 2010.
MLA (9th ed.) AtıfPierce, Douglas, et al. Cracking the Toefl Ibt with Cd, 2011 Edition. 2011 edition. Random House, 2010.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..