Cita APA (7th ed.)

BARNETT, R. A. (1980). Intermediate algebra: Structure and use.-- Ed. 2. McGraw-Hill Bo. Co.

Cita Chicago (17th ed.)

BARNETT, Raymond A. Intermediate Algebra: Structure and Use.-- Ed. 2. New York: McGraw-Hill Bo. Co, 1980.

Cita MLA (9th ed.)

BARNETT, Raymond A. Intermediate Algebra: Structure and Use.-- Ed. 2. McGraw-Hill Bo. Co, 1980.