APA (7th ed.) Zitazioa
Jervis, R. (1997). System effects: Complexity in political and social life. Princeton University Press.
Chicago Style (17th ed.) Zitazioa
Jervis, Robert. System Effects: Complexity in Political and Social Life. Princeton, N.J.: Princeton University Press, 1997.
MLA (9th ed.) Zitazioa
Jervis, Robert. System Effects: Complexity in Political and Social Life. Princeton University Press, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.