McGraw-Hill Education. (2002). Mcgraw-hill mathematics. McGraw-Hill School Division.
Cita Chicago (17th ed.)McGraw-Hill Education. Mcgraw-hill Mathematics. New York: McGraw-Hill School Division, 2002.
Cita MLA (9th ed.)McGraw-Hill Education. Mcgraw-hill Mathematics. McGraw-Hill School Division, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.