Dyfyniad APA

SHERMAN, D. [. (1991). Western civilization vol.1. McGraw-Hill.

Dyfyniad Arddull Chicago

SHERMAN, Dennis [Ed.]. Western Civilization Vol.1. New York: McGraw-Hill, 1991.

Dyfyniad MLA

SHERMAN, Dennis [Ed.]. Western Civilization Vol.1. McGraw-Hill, 1991.

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