Cofnodi Dyfyniadau

Dyfyniad APA
Elliott, J. A. (2012). An introduction to sustainable development (4th ed.). Routledge.
Dyfyniad Arddull Chicago
Elliott, Jennifer A. An Introduction to Sustainable Development. 4th ed. London: Routledge, 2012.
Dyfyniad MLA
Elliott, Jennifer A. An Introduction to Sustainable Development. 4th ed. Routledge, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.