APA aipamena

Barrall, I. (2009). Intelligent business coursebook upper intermediate. Oxford University Press.

Chicago Style aipamena

Barrall, Irene. Intelligent Business Coursebook Upper Intermediate. Oxford University Press, 2009.

MLA aipamena

Barrall, Irene. Intelligent Business Coursebook Upper Intermediate. Oxford University Press, 2009.

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