Cullen, P., French, A., & Jakeman, V. (2014). The official Cambridge guide to IELTS for academic & general training. Cambridge University Press : Cambridge English Language Assessment.
Chicago Style (17th ed.) CitationCullen, Pauline, Amanda French, and Vanessa Jakeman. The Official Cambridge Guide to IELTS for Academic & General Training. [Cambridge, England]: Cambridge University Press : Cambridge English Language Assessment, 2014.
MLA (9th ed.) CitationCullen, Pauline, et al. The Official Cambridge Guide to IELTS for Academic & General Training. Cambridge University Press : Cambridge English Language Assessment, 2014.
Warning: These citations may not always be 100% accurate.