Citazione Stile APA (7a Edizione)

Pierce, D., Coggshall, V., & Kinsell, S. (2010). Cracking the toefl ibt with cd, 2011 edition (2011 edition.). Random House.

Citazione stile Chigago Style (17a edizione)

Pierce, Douglas, Vanessa Coggshall, e Sean Kinsell. Cracking the Toefl Ibt with Cd, 2011 Edition. 2011 edition. New York: Random House, 2010.

Citatione MLA (9a ed.)

Pierce, Douglas, et al. Cracking the Toefl Ibt with Cd, 2011 Edition. 2011 edition. Random House, 2010.