Nevins, A. (1962). The Gateway to History. Anchor Books.
Lua i Stíl Chicago (17ú heag.)Nevins, Allan. The Gateway to History. New York: Anchor Books, 1962.
Lua MLA (8ú heag.)Nevins, Allan. The Gateway to History. Anchor Books, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.