Dragoo, J. W.; Choate, J. R.; Yates, T. L.; O'Farrell, T. P. (28 August 1990). "Evolutionary and Taxonomic Relationships among North American Arid-Land Foxes". Journal of Mammalogy. 71 (3): 318–332. doi:10.2307/1381942. JSTOR1381942.
Egoscue, Harold J. (August 1956). "Preliminary Studies of the Kit Fox in Utah". Journal of Mammalogy. 37 (3): 351–357. doi:10.2307/1376734. JSTOR1376734.
Dragoo, J. W.; Choate, J. R.; Yates, T. L.; O'Farrell, T. P. (28 August 1990). "Evolutionary and Taxonomic Relationships among North American Arid-Land Foxes". Journal of Mammalogy. 71 (3): 318–332. doi:10.2307/1381942. JSTOR1381942.
Egoscue, Harold J. (August 1956). "Preliminary Studies of the Kit Fox in Utah". Journal of Mammalogy. 37 (3): 351–357. doi:10.2307/1376734. JSTOR1376734.