APA aipamena

Berman, L., & Murphy, B. A. (2001). Approaching democracy (3rd ed.). Prentice Hall.

Chicago Style aipamena

Berman, Larry, and Bruce Allen Murphy. Approaching Democracy. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 2001.

MLA aipamena

Berman, Larry, and Bruce Allen Murphy. Approaching Democracy. 3rd ed. Prentice Hall, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.