Drake, H. (1952). Revision of the ranges of the pocket gophers of southeastern Washington and northeastern Oregon and the description of a new subspecies, Thomomys talpoides whitmani. Walla Walla College, Dept. of Biological Sciences.
Lua i Stíl Chicago (17ú heag.)Drake, Harold. Revision of the Ranges of the Pocket Gophers of Southeastern Washington and Northeastern Oregon and the Description of a New Subspecies, Thomomys Talpoides Whitmani. College Place: Walla Walla College, Dept. of Biological Sciences, 1952.
Lua MLA (8ú heag.)Drake, Harold. Revision of the Ranges of the Pocket Gophers of Southeastern Washington and Northeastern Oregon and the Description of a New Subspecies, Thomomys Talpoides Whitmani. Walla Walla College, Dept. of Biological Sciences, 1952.