Cita APA (7th ed.)
Dugopolski, M. (2000). Intermediate algebra (3rd ed.). McGraw Hill.
Cita Chicago (17th ed.)
Dugopolski, Mark. Intermediate Algebra. 3rd ed. Boston: McGraw Hill, 2000.
Cita MLA (9th ed.)
Dugopolski, Mark. Intermediate Algebra. 3rd ed. McGraw Hill, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.