Cita APA (7th ed.)

Gookin, D., & Mullen, R. (1994). The PC Upgrade Guide for Everybody. BPB Publications.

Cita Chicago (17th ed.)

Gookin, Dan, i Robert Mullen. The PC Upgrade Guide for Everybody. Singapore: BPB Publications, 1994.

Cita MLA (9th ed.)

Gookin, Dan, i Robert Mullen. The PC Upgrade Guide for Everybody. BPB Publications, 1994.