APA (7th ed.) Zitazioa
Shannon, T. A. (1983). What are they saying about peace and war? Paulist Press.
Chicago Style (17th ed.) Zitazioa
Shannon, Thomas A. What Are They Saying About Peace and War? New York: Paulist Press, 1983.
MLA (9th ed.) Zitazioa
Shannon, Thomas A. What Are They Saying About Peace and War? Paulist Press, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.