Dalton. Ecotheology and the Practice of Hope. State University of New York Press.
Chicago Style aipamenaDalton. Ecotheology and the Practice of Hope. State University of New York Press.
MLA aipamenaDalton. Ecotheology and the Practice of Hope. State University of New York Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.