RAI URMILA. (2008). EFFECTIVE COMMUNICATION 8TH ED (8TH ED.). HIMALAYA PUBLISHING HOUSE.
Chicago-čujuhus (17. p.)RAI URMILA. EFFECTIVE COMMUNICATION 8TH ED. 8TH ED. MUMBAI: HIMALAYA PUBLISHING HOUSE, 2008.
MLA-čujuhus (9. p.)RAI URMILA. EFFECTIVE COMMUNICATION 8TH ED. 8TH ED. HIMALAYA PUBLISHING HOUSE, 2008.
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