Steck, F. B. (1943). A Tentative Guide to Historical Materials on the Spanish Borderlands. Philadelphia.
Chicago Style aipamenaSteck, Francis Borgia. A Tentative Guide to Historical Materials on the Spanish Borderlands. Philadelphia, 1943.
MLA aipamenaSteck, Francis Borgia. A Tentative Guide to Historical Materials on the Spanish Borderlands. Philadelphia, 1943.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.