Maas, E., Boylan, K., & Montgomery, A. (1990). Divine obedience: Ten years of Plowshares.
Chicago Style aipamenaMaas, Elmer, Kathy Boylan, and Anne Montgomery. Divine Obedience: Ten Years of Plowshares. 1990.
MLA aipamenaMaas, Elmer, et al. Divine Obedience: Ten Years of Plowshares. 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.