APA-referens (7:e uppl.)

Feder, B. (1968). Viewpoints in world history (Teacher's ed.). American Book Co..

Chicago-referens (17:e uppl.)

Feder, Bernard. Viewpoints in World History. Teacher's ed. New York ; Cincinnati [etc.]: American Book Co., 1968.

MLA-referens (8:e uppl.)

Feder, Bernard. Viewpoints in World History. Teacher's ed. American Book Co., 1968.