एपीए उद्धरण

Downs, P. W., & Gregory, K. J. (2004). River channel management: Towards sustainable catchment hydrosystems. Hodder Headline Group.

शिकागो स्टाइल उद्धरण

Downs, Peter W., और Kenneth J. Gregory. River Channel Management: Towards Sustainable Catchment Hydrosystems. London: Hodder Headline Group, 2004.

एमएलए उद्धरण

Downs, Peter W., और Kenneth J. Gregory. River Channel Management: Towards Sustainable Catchment Hydrosystems. Hodder Headline Group, 2004.