Ablon, L. J., Blackman, S., & Siner, H. B. (1981). Quadratic Equations and Curves. Menlo Park, California: The Benjamin/Cummings.
Čikaški stil citiranjaAblon, Leon J., Sherry Blackman, i Helen B. Siner. Quadratic Equations and Curves. Menlo Park, California: The Benjamin/Cummings, 1981.
MLA način citiranjaAblon, Leon J., Sherry Blackman, i Helen B. Siner. Quadratic Equations and Curves. Menlo Park, California: The Benjamin/Cummings, 1981.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.