Cobb, S. T. (1988). Using Quattro: The professional spreadsheet. Borland-Osborne/McGraw-Hill.
芝加哥风格引文Cobb, Stephen T. Using Quattro: The Professional Spreadsheet. [Berkeley, Calif.]: Borland-Osborne/McGraw-Hill, 1988.
MLA引文Cobb, Stephen T. Using Quattro: The Professional Spreadsheet. Borland-Osborne/McGraw-Hill, 1988.
警告：这些引文格式不一定是100％准确.