Dyfyniad APA

(1991). World civilisations: Their history and their culture. Goyl Saab.

Dyfyniad Arddull Chicago

World Civilisations: Their History and Their Culture. Delhi: Goyl Saab, 1991.

Dyfyniad MLA

World Civilisations: Their History and Their Culture. Goyl Saab, 1991.

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