Hughes, G., Pilbeam, A., & West, C. (1982). Business talk: Authentic listening for business/professional English. Longman.
Chicago-viite (17. p.)Hughes, Gareth, Adrian Pilbeam, ja Christine West. Business Talk: Authentic Listening for Business/professional English. Harlow: Longman, 1982.
MLA-viite (9. p.)Hughes, Gareth, et al. Business Talk: Authentic Listening for Business/professional English. Longman, 1982.
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