Ablon, L. J., Blackman, S., & Siner, H. B. (1981). Quadratic Equations and Curves. Menlo Park, California: The Benjamin/Cummings.
Chicago Style CitationAblon, Leon J., Sherry Blackman, i Helen B. Siner. Quadratic Equations and Curves. Menlo Park, California: The Benjamin/Cummings, 1981.
Cita MLAAblon, Leon J., Sherry Blackman, i Helen B. Siner. Quadratic Equations and Curves. Menlo Park, California: The Benjamin/Cummings, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.