APA (7 वां संस्करण) प्रशस्ति पत्र

Harvard Business Review. (1991). Motivation. Harvard Business School Publishing.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Harvard Business Review. Motivation. Boston, Mass: Harvard Business School Publishing, 1991.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Harvard Business Review. Motivation. Harvard Business School Publishing, 1991.