Cita APA (7th ed.)

KEEDY, M. L., & BITTINGER, M. L. (1984). Intermediate algebra.-- Ed. 4. Addison-Wesley Pub. Co.

Cita Chicago (17th ed.)

KEEDY, Mervin L., i Marvin L. BITTINGER. Intermediate Algebra.-- Ed. 4. Massachusetts: Addison-Wesley Pub. Co, 1984.

Cita MLA (9th ed.)

KEEDY, Mervin L., i Marvin L. BITTINGER. Intermediate Algebra.-- Ed. 4. Addison-Wesley Pub. Co, 1984.