David, A. (1871). Rapport adressé a mm. les professeurs-administrateurs du Muséum d'histoire naturelle. Nouvelles archives du Muséum d'histoire naturelle de Paris (Bulletin)7: 93. The full text
Smith, Andrew T.; Xie, Yan; Hoffmann, Robert S.; Lunde, Darrin; MacKinnon, John; Wilson, Don E.; Wozencraft, W. Chris (2010). A Guide to the Mammals of China. Princeton University Press. p. 286. ISBN978-1400834112.
Dahal, N.; Lissovsky, A. A.; Lin, Z.; Solari, K.; Hadly, E. A.; Zhan, X.; Ramakrishnan, U. (2017). "Genetics, morphology and ecology reveal a cryptic pika lineage in the Sikkim Himalaya". Molecular Phylogenetics and Evolution. 106: 55–60. doi:10.1016/j.ympev.2016.09.015. PMID27640954.
Dahal, N.; Lissovsky, A. A.; Lin, Z.; Solari, K.; Hadly, E. A.; Zhan, X.; Ramakrishnan, U. (2017). "Genetics, morphology and ecology reveal a cryptic pika lineage in the Sikkim Himalaya". Molecular Phylogenetics and Evolution. 106: 55–60. doi:10.1016/j.ympev.2016.09.015. PMID27640954.