Dyfyniad APA

Meadows, D. H. (1992). Beyond the limits: Confronting global collapse, envisioning a sustainable future. Earthscan Publications.

Dyfyniad Arddull Chicago

Meadows, Donella H. Beyond the Limits: Confronting Global Collapse, Envisioning a Sustainable Future. London: Earthscan Publications, 1992.

Dyfyniad MLA

Meadows, Donella H. Beyond the Limits: Confronting Global Collapse, Envisioning a Sustainable Future. Earthscan Publications, 1992.

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