The Colorado. U.S. Government Printing.
Lua i Stíl Chicago (17ú heag.)The Colorado. Washington, D.C.: U.S. Government Printing.
Lua MLA (9ú heag.)The Colorado. U.S. Government Printing.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.