Hart, B., & Jakeman, V. (2012). Complete Ielts: Student's Book with Answers. New York: Cambridge University Press.
Dyfyniad Arddull ChicagoHart, Brook, và Vanessa Jakeman. Complete Ielts: Student's Book With Answers. New York: Cambridge University Press, 2012.
Dyfyniad MLAHart, Brook, và Vanessa Jakeman. Complete Ielts: Student's Book With Answers. New York: Cambridge University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.