Dyfyniad APA

Blood, E. R., Holland, M., & Shaffer, L. R. (2003). Achieving sustainable freshwater systems: A web of connections. Washington, DC: Island Press.

Dyfyniad Arddull Chicago

Blood, Elizabeth R., Marjorie Holland, và Lawrence R. Shaffer. Achieving Sustainable Freshwater Systems: A Web of Connections. Washington, DC: Island Press, 2003.

Dyfyniad MLA

Blood, Elizabeth R., Marjorie Holland, và Lawrence R. Shaffer. Achieving Sustainable Freshwater Systems: A Web of Connections. Washington, DC: Island Press, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.