APA aipamena

Helpman, E. (2004). The mystery of economic growth. Belknap Press of Harvard University Press.

Chicago Style aipamena

Helpman, Elhanan. The Mystery of Economic Growth. Cambridge, Mass.: Belknap Press of Harvard University Press, 2004.

MLA aipamena

Helpman, Elhanan. The Mystery of Economic Growth. Belknap Press of Harvard University Press, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.