Dyck, I. G. (1977). Harder Site: A Middle Period Bison Hunters' Campsite in the Northern Great Plains. National Museums of Canada.
Cita Chicago Style (17a ed.)Dyck, Ian G. Harder Site: A Middle Period Bison Hunters' Campsite in the Northern Great Plains. Ottawa: National Museums of Canada, 1977.
Cita MLA (8a ed.)Dyck, Ian G. Harder Site: A Middle Period Bison Hunters' Campsite in the Northern Great Plains. National Museums of Canada, 1977.
Precaución: Estas citas no son 100% exactas.