APA (7 वां संस्करण) प्रशस्ति पत्र

WAGAR, W. (1973). Books in world history: A guide for teachers andstudents. Indiana University Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

WAGAR, Warren. Books in World History: A Guide for Teachers Andstudents. Bloomington: Indiana University Press, 1973.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

WAGAR, Warren. Books in World History: A Guide for Teachers Andstudents. Indiana University Press, 1973.