Harvard Business School Press. (2005). Dealing With Difficult People. Harvard Business School Publishing Corporation.
Lua i Stíl Chicago (17ú heag.)Harvard Business School Press. Dealing With Difficult People. USA: Harvard Business School Publishing Corporation, 2005.
Lua MLA (9ú heag.)Harvard Business School Press. Dealing With Difficult People. Harvard Business School Publishing Corporation, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.