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).