APA aipamena

Davis, H. A. a. C. (1933). Brief course in plane and sperical trigonometry. American Book.

Chicago Style aipamena

Davis, H. A. and Chambers. Brief Course in Plane and Sperical Trigonometry. New ork: American Book, 1933.

MLA aipamena

Davis, H. A. and Chambers. Brief Course in Plane and Sperical Trigonometry. American Book, 1933.