Cita APA (7th ed.)

Anfinson, D., & Quamme, K. (2008). IT essentials: PC hardware and software companion guide (3rd edition.). Cisco Press.

Cita Chicago (17th ed.)

Anfinson, David, i Ken Quamme. IT Essentials: PC Hardware and Software Companion Guide. 3rd edition. Indianapolis, Ind: Cisco Press, 2008.

Cita MLA (8th ed.)

Anfinson, David, i Ken Quamme. IT Essentials: PC Hardware and Software Companion Guide. 3rd edition. Cisco Press, 2008.