Dyfyniad APA

Dubicka, I. (2007). Market leader: Avanced business English. England: Pearson Education Ltd.

Dyfyniad Arddull Chicago

Dubicka, Iwonna. Market Leader: Avanced Business English. England: Pearson Education Ltd, 2007.

Dyfyniad MLA

Dubicka, Iwonna. Market Leader: Avanced Business English. England: Pearson Education Ltd, 2007.

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