Jackson, L. J. (1998). The Sandy Ridge and Halstead Paleo-Indian sites: Unifacial tool use and Gainey phase definition in South-Central Ontario. Museum of Anthropology.
Dyfyniad Arddull ChicagoJackson, Lawrence J. The Sandy Ridge and Halstead Paleo-Indian Sites: Unifacial Tool Use and Gainey Phase Definition in South-Central Ontario. Ann Arbor, Mich: Museum of Anthropology, 1998.
Dyfyniad MLAJackson, Lawrence J. The Sandy Ridge and Halstead Paleo-Indian Sites: Unifacial Tool Use and Gainey Phase Definition in South-Central Ontario. Museum of Anthropology, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.