APA (7th ed.) Zitazioa
Hilley, J. L. (2008). The challenge of legislation: Bipartisanship in a partisan world. Brookings Institution Press.
Chicago Style (17th ed.) Zitazioa
Hilley, John L. The Challenge of Legislation: Bipartisanship in a Partisan World. Washington, D.C.: Brookings Institution Press, 2008.
MLA (9th ed.) Zitazioa
Hilley, John L. The Challenge of Legislation: Bipartisanship in a Partisan World. Brookings Institution Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.