Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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