Cita APA (7th ed.)

Nortons, P. (2003). Introduction to computer (7th edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Nortons, Peter. Introduction to Computer. 7th edition. New York: McGraw-Hill, 2003.

Cita MLA (9th ed.)

Nortons, Peter. Introduction to Computer. 7th edition. McGraw-Hill, 2003.