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.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (8ª ed.)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.