APA (7 वां संस्करण) प्रशस्ति पत्र

Varkkey, B. (2001). Human resource management: Changing roles,changing goals. Excel.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Varkkey, Biju. Human Resource Management: Changing Roles,changing Goals. New delhi: Excel, 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Varkkey, Biju. Human Resource Management: Changing Roles,changing Goals. Excel, 2001.