Dyfyniad APA
ebrary, Inc, Silk, N., & Ciruna, K. (2005). A practitioner's guide to freshwater biodiversity conservation (Reprint ed.). Island Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Nicole Silk, and Kristine Ciruna. A Practitioner's Guide to Freshwater Biodiversity Conservation. Reprint ed. Washington, DC: Island Press, 2005.
Dyfyniad MLA
ebrary, Inc, et al. A Practitioner's Guide to Freshwater Biodiversity Conservation. Reprint ed. Island Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.