Dyfyniad APA

Clark, D. J. (1991). The Irish in Pennsylvania: A people share a commonwealth. University Park, Pa..

Dyfyniad Arddull Chicago

Clark, Dennis J. The Irish in Pennsylvania: A People Share a Commonwealth. University Park, Pa., 1991.

Dyfyniad MLA

Clark, Dennis J. The Irish in Pennsylvania: A People Share a Commonwealth. University Park, Pa., 1991.

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