Finnigan, J. T. (1982). Tipi Rings and Plains Prehistory: A Reassessment of their Archaeological Potential. National Museums of Canada.
Cita Chicago Style (17a ed.)Finnigan, James T. Tipi Rings and Plains Prehistory: A Reassessment of Their Archaeological Potential. Ottawa: National Museums of Canada, 1982.
Cita MLA (8a ed.)Finnigan, James T. Tipi Rings and Plains Prehistory: A Reassessment of Their Archaeological Potential. National Museums of Canada, 1982.
Precaución: Estas citas no son 100% exactas.