Dyfyniad APA

Meadows, D., & Randers, J. M. (2005). Limits to growth: The 30-year update. Earthscan.

Dyfyniad Arddull Chicago

Meadows, Donella, and Jorgen Meadows Randers. Limits to Growth: The 30-year Update. London: Earthscan, 2005.

Dyfyniad MLA

Meadows, Donella, and Jorgen Meadows Randers. Limits to Growth: The 30-year Update. Earthscan, 2005.

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