Cita APA (7th ed.)
Messersmith, S. (2009). Beginning and intermediate algebra (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Messersmith, Sherri. Beginning and Intermediate Algebra. 2nd ed. New York: McGraw-Hill, 2009.
Cita MLA (9th ed.)
Messersmith, Sherri. Beginning and Intermediate Algebra. 2nd ed. McGraw-Hill, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.