Cita APA (7th ed.)
Barnett, R. A. (1980). Elementary algebra, structure and use (3d ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Barnett, Raymond A. Elementary Algebra, Structure and Use. 3d ed. New York: McGraw-Hill, 1980.
Cita MLA (9th ed.)
Barnett, Raymond A. Elementary Algebra, Structure and Use. 3d ed. McGraw-Hill, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.