Silver, G. A., & Silver, J. B. (1976). Introduction to systems analysis. Prentice-Hall.
Chicago Edition CitationSilver, Gerald A., i Joan B. Silver. Introduction to Systems Analysis. Englewood cliffs: Prentice-Hall, 1976.
Cita MLASilver, Gerald A., i Joan B. Silver. Introduction to Systems Analysis. Prentice-Hall, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.