Dyfyniad APA
Herm, G. (1977). The celts: The people who came out of the darkness (1 ed.). St. Martin's Press.
Dyfyniad Arddull Chicago
Herm, Gerhard. The Celts: The People Who Came Out of the Darkness. 1 ed. New York: St. Martin's Press, 1977.
Dyfyniad MLA
Herm, Gerhard. The Celts: The People Who Came Out of the Darkness. 1 ed. St. Martin's Press, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.