Cotton, D. (2010). Market leader: Intermediate business english course book B1-B2. Pearson.
Chicago Stili AlıntıCotton, David. Market Leader: Intermediate Business English Course Book B1-B2. Pearson, 2010.
MLA AlıntıCotton, David. Market Leader: Intermediate Business English Course Book B1-B2. Pearson, 2010.
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