APA (7 वां संस्करण) प्रशस्ति पत्र

CHANG RICHARD Y. (1996). MASTERING CHANGE MANAGEMENT: A PRACTICAL GUIDE TO TURNING OBSTACLES INTO OPPORTUNITIES. KOGAN PAGE.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

CHANG RICHARD Y. MASTERING CHANGE MANAGEMENT: A PRACTICAL GUIDE TO TURNING OBSTACLES INTO OPPORTUNITIES. LONDON: KOGAN PAGE, 1996.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

CHANG RICHARD Y. MASTERING CHANGE MANAGEMENT: A PRACTICAL GUIDE TO TURNING OBSTACLES INTO OPPORTUNITIES. KOGAN PAGE, 1996.