Plane and spherical trigonometry.
APA Citation
Durell, F. (1911). Plane and spherical trigonometry. New York,: C.E. Merrill co..
MLA Citation
Durell, Fletcher, 1859-1946. Plane And Spherical Trigonometry. New York,: C.E. Merrill co., 1911.
Warning: These citations may not always be complete (especially for serials).