Campbell, M. (1989). Mary Campbell's DBase IV handbook. Bantam Books.
芝加哥风格引文Campbell, Mary. Mary Campbell's DBase IV Handbook. Toronto: Bantam Books, 1989.
MLA引文Campbell, Mary. Mary Campbell's DBase IV Handbook. Bantam Books, 1989.
警告：这些引文格式不一定是100％准确.