Stoltman. Ceramic Petrography and Hopewell Interaction. The University of Alabama Press.
Lua i Stíl Chicago (17ú heag.)Stoltman. Ceramic Petrography and Hopewell Interaction. The University of Alabama Press.
Lua MLA (9ú heag.)Stoltman. Ceramic Petrography and Hopewell Interaction. The University of Alabama Press.
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