Predd, P. How PC is your PC? [personal computer lifespan]. IEEE spectrum.
芝加哥风格引文Predd, P.P. "How PC Is Your PC? [personal Computer Lifespan]." IEEE Spectrum .
MLA引文Predd, P.P. "How PC Is Your PC? [personal Computer Lifespan]." IEEE Spectrum, .
警告：这些引文格式不一定是100％准确.