Buckingham, A., Stephens, B., & Lane, A. (2014). International express: Elementary : student's book : with pocket book and DVD-ROM (3 edition.). Oxford, Inglaterra: Oxford University Press.
Citación estilo ChicagoBuckingham, Angela, Bryan Stephens, y Alastair Lane. International Express: Elementary : Student's Book : With Pocket Book and DVD-ROM. 3 edition. Oxford, Inglaterra: Oxford University Press, 2014.
Cita MLABuckingham, Angela, Bryan Stephens, y Alastair Lane. International Express: Elementary : Student's Book : With Pocket Book and DVD-ROM. 3 edition. Oxford, Inglaterra: Oxford University Press, 2014.
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