Cita APA (7th ed.)
Sumner Mary. (1988). Computers: Concepts and uses. Prentice-Hall.
Cita Chicago (17th ed.)
Sumner Mary. Computers: Concepts and Uses. New Jersey: Prentice-Hall, 1988.
Cita MLA (9th ed.)
Sumner Mary. Computers: Concepts and Uses. Prentice-Hall, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.