Lua APA (7ú heag.)

Harvard Business School. (2018). Dealing with Difficult People. Harvard Business School. Press.

Lua i Stíl Chicago (17ú heag.)

Harvard Business School. Dealing with Difficult People. Boston, Massachusetts: Harvard Business School. Press, 2018.

Lua MLA (9ú heag.)

Harvard Business School. Dealing with Difficult People. Harvard Business School. Press, 2018.

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