Crisp, M. (2012). River of contrasts: The Texas Colorado. Texas A&M University Press.
Lua i Stíl Chicago (17ú heag.)Crisp, Margie. River of Contrasts: The Texas Colorado. College Station, Tex.: Texas A&M University Press, 2012.
Lua MLA (9ú heag.)Crisp, Margie. River of Contrasts: The Texas Colorado. Texas A&M University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.