APA-referens (7:e uppl.)
Morton, R., & Gawboy, C. (2003). Talking rocks: Geology and 10,000 years of Native American tradition in the Lake Superior Region (First University of Minnesota Press ed.). University of Minnesota Press.
Chicago-referens (17:e uppl.)
Morton, Ron, och Carl Gawboy. Talking Rocks: Geology and 10,000 Years of Native American Tradition in the Lake Superior Region. First University of Minnesota Press ed. Minneapolis, Minn. ; London: University of Minnesota Press, 2003.
MLA-referens (9:e uppl.)
Morton, Ron, och Carl Gawboy. Talking Rocks: Geology and 10,000 Years of Native American Tradition in the Lake Superior Region. First University of Minnesota Press ed. University of Minnesota Press, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.