Haines, S., & May, P. (2008). IELTS Masterclass: Student's book (1a. ed.). Oxford University Press.
Cita Chicago Style (17a ed.)Haines, Simon, y Peter May. IELTS Masterclass: Student's Book. 1a. ed. Oxford: Oxford University Press, 2008.
Cita MLA (8a ed.)Haines, Simon, y Peter May. IELTS Masterclass: Student's Book. 1a. ed. Oxford University Press, 2008.
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