Plane trigonometry /
[by] Lyman M. Kells , Willis F. Kern , James R. Bland.
APA Citation
Kells, L. M. (Lyman Morse)., Bland, J. R., Kern, W. F. (Willis Frederick). (1951). Plane trigonometry. 3rd ed. New York: McGraw-Hill.
MLA Citation
Kells, Lyman M. (Lyman Morse), 1888-, James R Bland, and Willis F. (Willis Frederick) Kern. Plane Trigonometry. 3rd ed. New York: McGraw-Hill, 1951.
Warning: These citations may not always be complete (especially for serials).