Lua APA (7ú heag.)
ebrary, Inc, & Downes, B. J. (2002). Monitoring ecological impacts: Concepts and practice in flowing waters. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Barbara J. Downes. Monitoring Ecological Impacts: Concepts and Practice in Flowing Waters. Cambridge, UK ; New York, NY, USA: Cambridge University Press, 2002.
Lua MLA (9ú heag.)
ebrary, Inc, agus Barbara J. Downes. Monitoring Ecological Impacts: Concepts and Practice in Flowing Waters. Cambridge University Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.