Zgurski, Jessie (2011). The mating system, dispersal behavior and genetic structure of a collared pika (Ochotona collaris: Ochotonidae) population in the southwest Yukon, and a phylogeny of the genus Ochotona (Thesis). doi:10.7939/R3GQ5B. ProQuest1283112548.
Lanier, Hayley Christine Stover (2010). Phylogeography, Ecogeographic Variation, And Evolutionary History Of The Collared Pika (Ochotona collaris) (Thesis). hdl:11122/9034. ProQuest751922249.
Lanier, Hayley Christine Stover (2010). Phylogeography, Ecogeographic Variation, And Evolutionary History Of The Collared Pika (Ochotona collaris) (Thesis). hdl:11122/9034. ProQuest751922249.
Zgurski, Jessie (2011). The mating system, dispersal behavior and genetic structure of a collared pika (Ochotona collaris: Ochotonidae) population in the southwest Yukon, and a phylogeny of the genus Ochotona (Thesis). doi:10.7939/R3GQ5B. ProQuest1283112548.