Cita APA (7th ed.)

Cassel, D. (1994). Computing essentials. Prentice Hall.

Cita Chicago (17th ed.)

Cassel, Don. Computing Essentials. Englewood: Prentice Hall, 1994.

Cita MLA (9th ed.)

Cassel, Don. Computing Essentials. Prentice Hall, 1994.