Campbell, M. (1994). Excell for Windows answers: Certified tech support. McGraw-Hill.
芝加哥风格引文Campbell, Mary. Excell for Windows Answers: Certified Tech Support. Osborne: McGraw-Hill, 1994.
MLA引文Campbell, Mary. Excell for Windows Answers: Certified Tech Support. McGraw-Hill, 1994.
警告：这些引文格式不一定是100％准确.