APA (7th ed.) Zitazioa

Ball, A. R. (1988). Modern politics and government (7th ed.). Palgrave MacMillan.

Chicago Style (17th ed.) Zitazioa

Ball, Alan R. Modern Politics and Government. 7th ed. New York: Palgrave MacMillan, 1988.

MLA (9th ed.) Zitazioa

Ball, Alan R. Modern Politics and Government. 7th ed. Palgrave MacMillan, 1988.