May, P. (2004). IELTS: Practice tests. Oxford University Press.
Cita Chicago Style (17a ed.)May, Peter. IELTS: Practice Tests. New York: Oxford University Press, 2004.
Cita MLA (9a ed.)May, Peter. IELTS: Practice Tests. Oxford University Press, 2004.
Precaución: Estas citas no son 100% exactas.