Osborne, Adam. Business system buyer's guide / by Adam Osborne, with Steven Cook. - Berkeley, California : Osborne/McGraw-Hill, c1981. - x, 165 p. ; ill. : 22 cm. ISBN: 0931988470 Subjects--Topical Terms: Business--Data processing.Microcomputers--Purchasing. Dewey Class. No.: 001.64 / 04 / 029473