Dyfyniad APA

ebrary, Inc, & Ash, N. (2010). Ecosystems and human well-being: A manual for assessment practitioners. Island Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and Neville Ash. Ecosystems and Human Well-being: A Manual for Assessment Practitioners. Washington, D.C.: Island Press, 2010.

Dyfyniad MLA

ebrary, Inc, and Neville Ash. Ecosystems and Human Well-being: A Manual for Assessment Practitioners. Island Press, 2010.

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