Steck, F. B. (1943). A Tentative Guide to Historical Materials on the Spanish Borderlands. Philadelphia.
Chicago Style (17. basım) AtıfSteck, Francis Borgia. A Tentative Guide to Historical Materials on the Spanish Borderlands. Philadelphia, 1943.
MLA (8th ed.) AtıfSteck, Francis Borgia. A Tentative Guide to Historical Materials on the Spanish Borderlands. Philadelphia, 1943.
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