APA način citiranja

Gutjahr, L. (2009). English for sales and purchasing. Oxford University Press.

Čikaški stil citiranja

Gutjahr, Lothanr. English for Sales and Purchasing. Oxford University Press, 2009.

MLA način citiranja

Gutjahr, Lothanr. English for Sales and Purchasing. Oxford University Press, 2009.

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