APA (7 वां संस्करण) प्रशस्ति पत्र

Harvard Business School Press. (2005). Dealing With Difficult People. Harvard Business School Publishing Corporation.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Harvard Business School Press. Dealing With Difficult People. USA: Harvard Business School Publishing Corporation, 2005.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Harvard Business School Press. Dealing With Difficult People. Harvard Business School Publishing Corporation, 2005.