Cita APA (7th ed.)

(2008). Number properties: Math strategy guide (3rd ed.). MG Prep Inc..

Cita Chicago (17th ed.)

Number Properties: Math Strategy Guide. 3rd ed. New York, N.Y.: MG Prep Inc., 2008.

Cita MLA (8th ed.)

Number Properties: Math Strategy Guide. 3rd ed. MG Prep Inc., 2008.