Dyfyniad APA

Rogers, J. (2005). Market leader: Intermediate business English practice file. England: Longman.

Dyfyniad Arddull Chicago

Rogers, John. Market Leader: Intermediate Business English Practice File. England: Longman, 2005.

Dyfyniad MLA

Rogers, John. Market Leader: Intermediate Business English Practice File. England: Longman, 2005.

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