APA-viite (7. p.)

Norton, P. (2003). Peter Norton's essential concepts (5th ed.). Glencoe/McGraw-Hill.

Chicago-viite (17. p.)

Norton, Peter. Peter Norton's Essential Concepts. 5th ed. New York: Glencoe/McGraw-Hill, 2003.

MLA-viite (8. p.)

Norton, Peter. Peter Norton's Essential Concepts. 5th ed. Glencoe/McGraw-Hill, 2003.