Cullen, P., Jakeman, V., & French, A. (2014). The offical Cambridge guide to IELTS for academic & general training: Student's book with answers. New York: Cambridge university press.
Chicago ZitierstilCullen, Pauline, Vanessa Jakeman, und Amanda French. The Offical Cambridge Guide to IELTS for Academic & General Training: Student's Book With Answers. New York: Cambridge university press, 2014.
MLA ZitierstilCullen, Pauline, Vanessa Jakeman, und Amanda French. The Offical Cambridge Guide to IELTS for Academic & General Training: Student's Book With Answers. New York: Cambridge university press, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.