(2004). Face-to-face communications for clarity and impact (1a. ed.). Harvard Business School.
Chicago-čujuhus (17. p.)Face-to-face Communications for Clarity and Impact. 1a. ed. Boston: Harvard Business School, 2004.
MLA-čujuhus (9. p.)Face-to-face Communications for Clarity and Impact. 1a. ed. Harvard Business School, 2004.
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