APA aipamena

Greenspan, A. (2007). The Age of Turbulence. Princeton University Press.

Chicago Style aipamena

Greenspan, Alan. The Age of Turbulence. New Jersey: Princeton University Press, 2007.

MLA aipamena

Greenspan, Alan. The Age of Turbulence. Princeton University Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.