Fil, P. W. (1975). American & British genealogy & heraldy: A selected list of books. American Library Association.
Citace podle Chicago (17th ed.)Fil, P William. American & British Genealogy & Heraldy: A Selected List of Books. Chicago: American Library Association, 1975.
Citace podle MLA (9th ed.)Fil, P William. American & British Genealogy & Heraldy: A Selected List of Books. American Library Association, 1975.
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