APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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