Dyfyniad APA

Gylfason, T. 1. (1999). Principles of economic growth. Oxford ; New York: Oxford University Press.

Dyfyniad Arddull Chicago

Gylfason, Thorvaldur 1951-. Principles of Economic Growth. Oxford ; New York: Oxford University Press, 1999.

Dyfyniad MLA

Gylfason, Thorvaldur 1951-. Principles of Economic Growth. Oxford ; New York: Oxford University Press, 1999.

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