Burke, B. (2006). The Barbelin Memorial: Old St. Joseph's Church, Philadelphia, PA. Philadelphia.
Dyfyniad Arddull ChicagoBurke, Bobbye. The Barbelin Memorial: Old St. Joseph's Church, Philadelphia, PA. Philadelphia, 2006.
Dyfyniad MLABurke, Bobbye. The Barbelin Memorial: Old St. Joseph's Church, Philadelphia, PA. Philadelphia, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.