Horgan, P. (1963). Conquistadors in North American history. Fawcett Publications.
Lua i Stíl Chicago (17ú heag.)Horgan, Paul. Conquistadors in North American History. Greenwich, Conn: Fawcett Publications, 1963.
Lua MLA (9ú heag.)Horgan, Paul. Conquistadors in North American History. Fawcett Publications, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.