L., G., H., A., R., R.(1983).An introduction to computers and information systems / Robert A. Rademacher, Harry L. Gibson .:South-Western Publishing.
Gaya MLA
Gibson, Harry, L.., Rademacher, Robert, A.."An introduction to computers and information systems / Robert A. Rademacher, Harry L. Gibson".:South-Western Publishing,1983.Textbook.