Dyfyniad APA

Cotton, D. (2005). Market leader: Course book : Upper intermediate business english. England: Longman.

Dyfyniad Arddull Chicago

Cotton, David. Market Leader: Course Book : Upper Intermediate Business English. England: Longman, 2005.

Dyfyniad MLA

Cotton, David. Market Leader: Course Book : Upper Intermediate Business English. England: Longman, 2005.

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