Jakeman V. Vanessa & Whitehead R. Russell. (2002). BEC. Vantage Practice Tests: Four tests for the Cambridge Business English Certificate. New York, Oxford University Press, 2002.
Čikaški stil citiranja (17. izdanje)Jakeman V. Vanessa i Whitehead R. Russell. BEC. Vantage Practice Tests: Four Tests for the Cambridge Business English Certificate. New York, Oxford University Press, 2002, 2002.
MLA način citiranja (9. izdanje)Jakeman V. Vanessa i Whitehead R. Russell. BEC. Vantage Practice Tests: Four Tests for the Cambridge Business English Certificate. New York, Oxford University Press, 2002, 2002.
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