Harward Business School. (2014). Giving Effective Feedback. Harward Business.
Lua i Stíl Chicago (17ú heag.)Harward Business School. Giving Effective Feedback. Bosten: Harward Business, 2014.
Lua MLA (9ú heag.)Harward Business School. Giving Effective Feedback. Harward Business, 2014.
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