Hungerford, T. W. (2009). Contemporary precalculus: A graphing approach (5e.). Thomson Brooks/Cole.
Cita Chicago Style (17a ed.)Hungerford, Thomas W. Contemporary Precalculus: A Graphing Approach. 5e. Belmont, CA: Thomson Brooks/Cole, 2009.
Cita MLA (9a ed.)Hungerford, Thomas W. Contemporary Precalculus: A Graphing Approach. 5e. Thomson Brooks/Cole, 2009.
Precaución: Estas citas no son 100% exactas.