Luedtke, B. E. (1992). An archaeologist's guide to chert and flint. Institute of Archaeology, University of California.
Lua i Stíl Chicago (17ú heag.)Luedtke, Barbara E. An Archaeologist's Guide to Chert and Flint. Los Angeles: Institute of Archaeology, University of California, 1992.
Lua MLA (9ú heag.)Luedtke, Barbara E. An Archaeologist's Guide to Chert and Flint. Institute of Archaeology, University of California, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.