APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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