APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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