MICROSOFT.. (1987). Microsoft MS-DOS user`s guide: Operating system version 3.3. Microsoft Corporation.
芝加哥风格引文MICROSOFT.. Microsoft MS-DOS User`s Guide: Operating System Version 3.3. Taiwan: Microsoft Corporation, 1987.
MLA引文MICROSOFT.. Microsoft MS-DOS User`s Guide: Operating System Version 3.3. Microsoft Corporation, 1987.
警告：这些引文格式不一定是100％准确.