एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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