Dyfyniad APA

Cotton, D. (2006). Market leader: Upper intermediate English. England: Pearson Education Ltd.

Dyfyniad Arddull Chicago

Cotton, David. Market Leader: Upper Intermediate English. England: Pearson Education Ltd, 2006.

Dyfyniad MLA

Cotton, David. Market Leader: Upper Intermediate English. England: Pearson Education Ltd, 2006.

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