Παραπομπή APA

Ackermann, . M. (2011). Encyclopedia of World History: The Ancient World Prehistoric Eras to 600 CE Vol-I. Viva Books Pvt. Ltd..

Παραπομπή Chicago Style

Ackermann, Marsha. Encyclopedia of World History: The Ancient World Prehistoric Eras to 600 CE Vol-I. NewDelhi: Viva Books Pvt. Ltd., 2011.

Παραπομπή MLA

Ackermann, Marsha. Encyclopedia of World History: The Ancient World Prehistoric Eras to 600 CE Vol-I. Viva Books Pvt. Ltd., 2011.