Dyfyniad APA

Yearbook of International Environmental Law. Oxford University Press.

Dyfyniad Arddull Chicago

Yearbook of International Environmental Law. Oxford University Press.

Dyfyniad MLA

Yearbook of International Environmental Law. Oxford University Press.

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