Greenwood, F. (1982). Profitable small business computing. Little, Brown.
Cita Chicago (17th ed.)Greenwood, Frank. Profitable Small Business Computing. Little, Brown, 1982.
Cita MLA (9th ed.)Greenwood, Frank. Profitable Small Business Computing. Little, Brown, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.