↑«Microsoft Announces 8086 BASIC». Woodside, CA. Intelligent Machine Journal. 1 (11): 10. 18 de julho de 1979. BASIC-86 was demonstrated at the National Computer Conference, on Seattle Computer Product's 8086 CPU board for the S-100 bus microcomputers.
↑Wallace & Erickson, 1992. Hard Drive, John Wiley & Sons. ISBN 0-471-56886-4.
↑David Hunter (1983). Tim Paterson - The roots of DOS. Softalk, IBM Personal Computer, March 1983 ([1]Arquivado em 3 de outubro de 2000, no Wayback Machine.).
↑Manes, Stephen; Paul Andrews (1993). Gates: How Microsoft's Mogul Reinvented an Industry—and Made Himself the Richest Man in America. [S.l.]: Doubleday. ISBN0-385-42075-7A referência emprega parâmetros obsoletos |coautor= (ajuda)