MURPHY HERTA A. (1980). EFFECTIVE BUSINESS COMMUNICATION (3RD.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-čujuhus (17. p.)MURPHY HERTA A. EFFECTIVE BUSINESS COMMUNICATION. 3RD. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1980.
MLA-čujuhus (9. p.)MURPHY HERTA A. EFFECTIVE BUSINESS COMMUNICATION. 3RD. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1980.
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