Cita APA (7th ed.)

Cassel, D. (1993). Computing essentials. Prentice hall.

Cita Chicago (17th ed.)

Cassel, Don. Computing Essentials. New Jersey: Prentice hall, 1993.

Cita MLA (9th ed.)

Cassel, Don. Computing Essentials. Prentice hall, 1993.