Lua APA (7ú heag.)
Jones, L., & Alexander, R. (2003). New international business english: Communication skills in english for business purposes; workbook. CUP.
Lua i Stíl Chicago (17ú heag.)
Jones, Leo, agus Richard Alexander. New International Business English: Communication Skills in English for Business Purposes; Workbook. Cambridge: CUP, 2003.
Lua MLA (9ú heag.)
Jones, Leo, agus Richard Alexander. New International Business English: Communication Skills in English for Business Purposes; Workbook. CUP, 2003.
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