Smith, W. (1963). The flag bulletin. The Flag Research Center.
Lua i Stíl Chicago (17ú heag.)Smith, Whitney. The Flag Bulletin. Winchester, Mass.: The Flag Research Center, 1963.
Lua MLA (8ú heag.)Smith, Whitney. The Flag Bulletin. The Flag Research Center, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.