APA-referens (7:e uppl.)
ebrary, Inc, & Hughes, R. E. (2011). Perspectives on prehistoric trade and exchange in California and the Great Basin. University of Utah Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, och Richard E. Hughes. Perspectives on Prehistoric Trade and Exchange in California and the Great Basin. Salt Lake City: University of Utah Press, 2011.
MLA-referens (9:e uppl.)
ebrary, Inc, och Richard E. Hughes. Perspectives on Prehistoric Trade and Exchange in California and the Great Basin. University of Utah Press, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.