Dyfyniad APA

Edwards, P. (1993). Systems analysis & design. Mitchell McGraw-Hill.

Dyfyniad Arddull Chicago

Edwards, Perry. Systems Analysis & Design. New York: Mitchell McGraw-Hill, 1993.

Dyfyniad MLA

Edwards, Perry. Systems Analysis & Design. Mitchell McGraw-Hill, 1993.

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