APA (7th ed.) Zitazioa
Watts, D. (2012). British government and politics: A comparative guide (2nd ed.). Edinburgh University Press.
Chicago Style (17th ed.) Zitazioa
Watts, Duncan. British Government and Politics: A Comparative Guide. 2nd ed. Edinburgh: Edinburgh University Press, 2012.
MLA (9th ed.) Zitazioa
Watts, Duncan. British Government and Politics: A Comparative Guide. 2nd ed. Edinburgh University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.