APA-referens (7:e uppl.)

Speth, J. D. (2004). Life on the periphery: Economic change in late prehistoric southeastern New Mexico. Museum of Anthropology, University of Michigan.

Chicago-referens (17:e uppl.)

Speth, John D. Life on the Periphery: Economic Change in Late Prehistoric Southeastern New Mexico. Ann Arbor, Mich: Museum of Anthropology, University of Michigan, 2004.

MLA-referens (9:e uppl.)

Speth, John D. Life on the Periphery: Economic Change in Late Prehistoric Southeastern New Mexico. Museum of Anthropology, University of Michigan, 2004.