Chaterjee, S. (2014). Professional communication and spoken english. Prism Book.
Chicago-viite (17. p.)Chaterjee, Somnath. Professional Communication and Spoken English. Jaipur: Prism Book, 2014.
MLA-viite (9. p.)Chaterjee, Somnath. Professional Communication and Spoken English. Prism Book, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.