APA (7 वां संस्करण) प्रशस्ति पत्र

HARVARD BUSINESS REVIEW. (2001). HARVARD BUSINESS REV. ON WHAT MAKES A LEADERS. H B S.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

HARVARD BUSINESS REVIEW. HARVARD BUSINESS REV. ON WHAT MAKES A LEADERS. BOSTON: H B S, 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

HARVARD BUSINESS REVIEW. HARVARD BUSINESS REV. ON WHAT MAKES A LEADERS. H B S, 2001.