Dyfyniad APA
Asheim, G. B. (2007). Justifying, Characterizing and Indicating Sustainability. Springer Netherlands. https://doi.org/10.1007/978-1-4020-6200-1
Dyfyniad Arddull Chicago
Asheim, Geir B. Justifying, Characterizing and Indicating Sustainability. Dordrecht: Springer Netherlands, 2007. https://doi.org/10.1007/978-1-4020-6200-1.
Dyfyniad MLA
Asheim, Geir B. Justifying, Characterizing and Indicating Sustainability. Springer Netherlands, 2007. https://doi.org/10.1007/978-1-4020-6200-1.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.