Dyfyniad APA

Gylfason, T. (1999). Principles of economic growth / Thorvaldur Gylfason. Oxford University Press.

Dyfyniad Arddull Chicago

Gylfason, Thorvaldur. Principles of Economic Growth / Thorvaldur Gylfason. Great Clarendon St., Oxford: Oxford University Press, 1999.

Dyfyniad MLA

Gylfason, Thorvaldur. Principles of Economic Growth / Thorvaldur Gylfason. Oxford University Press, 1999.

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