Taylor, L., & Kelly, P. (2007). International express: Workbook : Elementary. New York: Oxford University Press.
Dyfyniad Arddull ChicagoTaylor, Liz., và Paul Kelly. International Express: Workbook : Elementary. New York: Oxford University Press, 2007.
Dyfyniad MLATaylor, Liz., và Paul Kelly. International Express: Workbook : Elementary. New York: Oxford University Press, 2007.
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