Handford, M., Koester, A., Lisboa, M., & Pitt, A. (2012). Business advantage: Upper-intermediate. Cambridge: Cambridge University Press.
Chicago Stili AlıntıHandford, Michael., Almut Koester, Martin Lisboa, ve Angela Pitt. Business Advantage: Upper-intermediate. Cambridge: Cambridge University Press, 2012.
MLA AlıntıHandford, Michael., Almut Koester, Martin Lisboa, ve Angela Pitt. Business Advantage: Upper-intermediate. Cambridge: Cambridge University Press, 2012.
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