Murphy, H. A., & Hildebrandt, H. W. T. (2017). Effective Business Communication (7th ed.). McGraw Hill Education.
Chicago-čujuhus (17. p.)Murphy, Herta A., juo Herbert W. Thomas Hildebrandt. Effective Business Communication. 7th ed. Chennai: McGraw Hill Education, 2017.
MLA-čujuhus (9. p.)Murphy, Herta A., juo Herbert W. Thomas Hildebrandt. Effective Business Communication. 7th ed. McGraw Hill Education, 2017.
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