Burke, B. (2006). The Barbelin Memorial: Old St. Joseph's Church, Philadelphia, PA. Philadelphia.
Chicago-viite (17. p.)Burke, Bobbye. The Barbelin Memorial: Old St. Joseph's Church, Philadelphia, PA. Philadelphia, 2006.
MLA-viite (8. p.)Burke, Bobbye. The Barbelin Memorial: Old St. Joseph's Church, Philadelphia, PA. Philadelphia, 2006.
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