Heuser, H. J. (1895). Some forgotten records of Prince Demetrius Gallitzin. Records of the American Catholic Historical Society of Philadelphia. Volume VI. 450-458. Philadelphia : American Catholic Historical Society of Philadelphia.
Παραπομπή σε μορφή Chicago (17η εκδ.)Heuser, Herman J. Some Forgotten Records of Prince Demetrius Gallitzin. Records of the American Catholic Historical Society of Philadelphia. Volume VI. 450-458. Philadelphia : American Catholic Historical Society of Philadelphia, 1895.
Παραπομπή σε μορφή MLA (8th εκδ.)Heuser, Herman J. Some Forgotten Records of Prince Demetrius Gallitzin. Records of the American Catholic Historical Society of Philadelphia. Volume VI. 450-458. Philadelphia : American Catholic Historical Society of Philadelphia, 1895.
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