Gaya APA

McLeod, R, H., H, I, S, R. (NULL). Precalculus algrbra, trigonometry, and geometry . New: New York: Macmillan Publishing; 1981.

Gaya MLA

McLeod, Roy, H., H, I., Stolze,, Roy. "Precalculus algrbra, trigonometry, and geometry". New: New York: Macmillan Publishing; 1981, NULL. Text.