APA (7th ed.) Zitazioa
Powell, G. B. (1982). Contemporary democracies: Participation, stability, and violence. Harvard University Press.
Chicago Style (17th ed.) Zitazioa
Powell, G. Bingham. Contemporary Democracies: Participation, Stability, and Violence. Cambridge, MA: Harvard University Press, 1982.
MLA (9th ed.) Zitazioa
Powell, G. Bingham. Contemporary Democracies: Participation, Stability, and Violence. Harvard University Press, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.