Chaterjee, S. (2014). Professional communication and spoken english. Prism Book.
Chicago-referens (17:e uppl.)Chaterjee, Somnath. Professional Communication and Spoken English. Jaipur: Prism Book, 2014.
MLA-referens (9:e uppl.)Chaterjee, Somnath. Professional Communication and Spoken English. Prism Book, 2014.
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