Gaya APA

Mcleod, R, H., Stolze, C, H. (1981). Precalculus : algebra, trigonometry and geometry . New York: DPH.

Gaya MLA

Mcleod, Roy, H.., Stolze, Charles, H.. "Precalculus : algebra, trigonometry and geometry". New York: DPH, 1981. Text.