Downs, P. W., & Gregory, K. J. (2004). River channel management: Towards sustainable catchment hydrosystems. Hodder Headline Group.
استشهاد بنمط شيكاغوDowns, Peter W., و Kenneth J. Gregory. River Channel Management: Towards Sustainable Catchment Hydrosystems. London: Hodder Headline Group, 2004.
MLA استشهادDowns, Peter W., و Kenneth J. Gregory. River Channel Management: Towards Sustainable Catchment Hydrosystems. Hodder Headline Group, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.