Dyfyniad APA

Davies, L. (1991). Information in action: Soft systems methodology. London: MacMillan.

Dyfyniad Arddull Chicago

Davies, Lynda. Information in Action: Soft Systems Methodology. London: MacMillan, 1991.

Dyfyniad MLA

Davies, Lynda. Information in Action: Soft Systems Methodology. London: MacMillan, 1991.

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