Dyfyniad APA

Geography, Environment, Sustainability | Lomonosov Moscow State University. Cambridge University Press.

Dyfyniad Arddull Chicago

Geography, Environment, Sustainability | Lomonosov Moscow State University. Cambridge University Press.

Dyfyniad MLA

Geography, Environment, Sustainability | Lomonosov Moscow State University. Cambridge University Press.

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