Vann, W., C. A comparative appoach to American history.
Lua i Stíl Chicago (17ú heag.)Vann, Woodward, C. A Comparative Appoach to American History. Washington : Voice of America forum lectures.
Lua MLA (8ú heag.)Vann, Woodward, C. A Comparative Appoach to American History.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.