Johnson. Chipped Stone Technological Organization. University of Utah Press.
Lua i Stíl Chicago (17ú heag.)Johnson. Chipped Stone Technological Organization. University of Utah Press.
Lua MLA (9ú heag.)Johnson. Chipped Stone Technological Organization. University of Utah Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.