Betros, L. (2012). Carved from granite: West Point since 1902. Texas A&M University Press.
Lua i Stíl Chicago (17ú heag.)Betros, Lance. Carved from Granite: West Point Since 1902. College Station, Tex.: Texas A&M University Press, 2012.
Lua MLA (9ú heag.)Betros, Lance. Carved from Granite: West Point Since 1902. Texas A&M University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.