APA-viite (7. p.)
ebrary, Inc, & Downes, B. J. (2002). Monitoring ecological impacts: Concepts and practice in flowing waters. Cambridge University Press.
Chicago-viite (17. p.)
ebrary, Inc, ja Barbara J. Downes. Monitoring Ecological Impacts: Concepts and Practice in Flowing Waters. Cambridge, UK ; New York, NY, USA: Cambridge University Press, 2002.
MLA-viite (9. p.)
ebrary, Inc, ja Barbara J. Downes. Monitoring Ecological Impacts: Concepts and Practice in Flowing Waters. Cambridge University Press, 2002.
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