Berman, D. R. (1997). State and local politics (8th ed.). M.E. Sharpe.
Chicago Style aipamenaBerman, David R. State and Local Politics. 8th ed. Armonk,New York: M.E. Sharpe, 1997.
MLA aipamenaBerman, David R. State and Local Politics. 8th ed. M.E. Sharpe, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.