Doctor Rhoda A. (2002). Principles & practice of business communication (8.). Sheth.
Chicago-čujuhus (17. p.)Doctor Rhoda A. Principles & Practice of Business Communication. 8. Mumbai: Sheth, 2002.
MLA-čujuhus (9. p.)Doctor Rhoda A. Principles & Practice of Business Communication. 8. Sheth, 2002.
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