Cita APA (7th ed.)

Shelly, G. B., & Vermaat, M. (2008). Discovering computers 2009: Complete. Course Technology, Cengage Learning.

Cita Chicago (17th ed.)

Shelly, Gary B., i Misty Vermaat. Discovering Computers 2009: Complete. Boston, Mass: Course Technology, Cengage Learning, 2008.

Cita MLA (9th ed.)

Shelly, Gary B., i Misty Vermaat. Discovering Computers 2009: Complete. Course Technology, Cengage Learning, 2008.