Dyfyniad APA

Pennsylvania Historical Association. Pennsylvania history. Pennsylvania Historical Association, etc.].

Dyfyniad Arddull Chicago

Pennsylvania Historical Association. Pennsylvania History. [University Park, Pa., etc.: Pennsylvania Historical Association, etc.].

Dyfyniad MLA

Pennsylvania Historical Association. Pennsylvania History. Pennsylvania Historical Association, etc.].

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