Dyfyniad APA

Clay, C. (2009). Envisioning in World History Prehistory 1500, Volume 1. McGraw - HillCompanies, Inc.

Dyfyniad Arddull Chicago

Clay, Catherine. Envisioning in World History Prehistory 1500, Volume 1. McGraw - HillCompanies, Inc, 2009.

Dyfyniad MLA

Clay, Catherine. Envisioning in World History Prehistory 1500, Volume 1. McGraw - HillCompanies, Inc, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.