Dyfyniad APA

World Book Encyclopedia, inc. (1985). Christmas in Ireland. World Book Encyclopedia.

Dyfyniad Arddull Chicago

World Book Encyclopedia, inc. Christmas in Ireland. Chicago: World Book Encyclopedia, 1985.

Dyfyniad MLA

World Book Encyclopedia, inc. Christmas in Ireland. World Book Encyclopedia, 1985.

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