Cita APA (7th ed.)

Hungerford, T. W. (2004). Contemporary precalculus. Thomson-Brooks/Cole.

Cita Chicago (17th ed.)

Hungerford, Thomas W. Contemporary Precalculus. Belmont, CA: Thomson-Brooks/Cole, 2004.

Cita MLA (9th ed.)

Hungerford, Thomas W. Contemporary Precalculus. Thomson-Brooks/Cole, 2004.