APA (7th ed.) Zitazioa
Friesen, D. K. (1986). Christian peacemaking and intertional conflict: A realist pacifist perspective. Herald Press.
Chicago Style (17th ed.) Zitazioa
Friesen, Duane K. Christian Peacemaking and Intertional Conflict: A Realist Pacifist Perspective. Ontario: Herald Press, 1986.
MLA (9th ed.) Zitazioa
Friesen, Duane K. Christian Peacemaking and Intertional Conflict: A Realist Pacifist Perspective. Herald Press, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.