Dyfyniad APA

Silver, G. A., & Silver, J. B. (1976). Introduction to systems analysis. Prentice-Hall.

Dyfyniad Arddull Chicago

Silver, Gerald A., and Joan B. Silver. Introduction to Systems Analysis. Englewood cliffs: Prentice-Hall, 1976.

Dyfyniad MLA

Silver, Gerald A., and Joan B. Silver. Introduction to Systems Analysis. Prentice-Hall, 1976.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.