APA (7th ed.) Zitazioa

Heller, W. W. (1966). New dimensions of political economy. Harvard University Press.

Chicago Style (17th ed.) Zitazioa

Heller, Walter W. New Dimensions of Political Economy. Cambridge: Harvard University Press, 1966.

MLA (9th ed.) Zitazioa

Heller, Walter W. New Dimensions of Political Economy. Harvard University Press, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.