Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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