Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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