APA aipamena

Nelson, R. R. (2000). The sources of economic growth. Cambridge, Mass.: Harvard University Press.

Chicago Style aipamena

Nelson, Richard R. The Sources of Economic Growth. Cambridge, Mass.: Harvard University Press, 2000.

MLA aipamena

Nelson, Richard R. The Sources of Economic Growth. Cambridge, Mass.: Harvard University Press, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.