O'Brien, J. A., & Lengen, C. A. V. (1986). Study guide acompany computers and information processing with software tutorial and basic (2nd.ed.). Illinois: Irwin.
Chicago Style CitationO'Brien, James A., and Craig A. Van Lengen. Study Guide Acompany Computers and Information Processing With Software Tutorial and Basic. 2nd.ed. Illinois: Irwin, 1986.
MLA CitationO'Brien, James A., and Craig A. Van Lengen. Study Guide Acompany Computers and Information Processing With Software Tutorial and Basic. 2nd.ed. Illinois: Irwin, 1986.
Warning: These citations may not always be 100% accurate.