Gaya APA

Simmons, G, F. (1981). Precalculus Mathematics in a Nutshell: Geometry, Algebra, Trigonometry . California: California: William Kaufmann; 1981..

Gaya MLA

Simmons, George, F.. "Precalculus Mathematics in a Nutshell: Geometry, Algebra, Trigonometry". California: California: William Kaufmann; 1981., 1981. Text.