Cita APA (7th ed.)

Shelly, G. B. (2004). Understanding and troubleshooting your PC. Thomson Course Technology.

Cita Chicago (17th ed.)

Shelly, Gary B. Understanding and Troubleshooting Your PC. Australia: Thomson Course Technology, 2004.

Cita MLA (9th ed.)

Shelly, Gary B. Understanding and Troubleshooting Your PC. Thomson Course Technology, 2004.