Cita APA (7th ed.)

Christoph, R. T. (1993). Computer literacy (2nd.ed.). Prentice Hall.

Cita Chicago (17th ed.)

Christoph, Richard T. Computer Literacy. 2nd.ed. New Jersey: Prentice Hall, 1993.

Cita MLA (9th ed.)

Christoph, Richard T. Computer Literacy. 2nd.ed. Prentice Hall, 1993.