De La Garza. The Archaeological Guide to Iowa. University of Iowa Press.
Lua i Stíl Chicago (17ú heag.)De La Garza. The Archaeological Guide to Iowa. University of Iowa Press.
Lua MLA (9ú heag.)De La Garza. The Archaeological Guide to Iowa. University of Iowa Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.