《The New York Times》: IBM History Timeline
待验证
作者：The New York Times
出版：待补充
年份：待补充
链接：https://www.nytimes.com/interactive/2011/06/16/business/20110616_ibm-history-timeline.html
链接：https://www.nytimes.com/interactive/2011/06/16/business/20110616_ibm-history-timeline.html