APA-referens (7:e uppl.)

(2015). HISTORY of the world: Earliest times to the present day. World Publications Group, 2015. 921p.

Chicago-referens (17:e uppl.)

HISTORY of the World: Earliest Times to the Present Day. World Publications Group, 2015. 921p, 2015.

MLA-referens (9:e uppl.)

HISTORY of the World: Earliest Times to the Present Day. World Publications Group, 2015. 921p, 2015.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.