Schlitter, D.A. (2005). Wilson, D.E.; Reeder, D.M. (penyunting). Mammal Species of the World (ed. ke-4). Baltimore, Maryland, Amerika Syarikat: Johns Hopkins University Press. m/s. 798–799. ISBN978-0-8018-8221-0.
nau.edu
jan.ucc.nau.edu
Slobodchikoff, C. N. (2002). "Cognition and Communication in Prairie Dogs"(PDF). Dalam Beckoff, M.; Allen, C.; Burghardt, G. M. (penyunting). The Cognitive Animal. Cambridge, England, UK: A Bradford Book. m/s. 257–264.