Hart, B., & Jakeman, V. (2012). Complete Ielts: Student's Book with Answers. New York: Cambridge University Press.
Trích dẫn kiểu ChicagoHart, Brook, và Vanessa Jakeman. Complete Ielts: Student's Book With Answers. New York: Cambridge University Press, 2012.
MLA引文Hart, Brook, và Vanessa Jakeman. Complete Ielts: Student's Book With Answers. New York: Cambridge University Press, 2012.
警告：这些引文格式不一定是100％准确.