Adriano, D., & Johnson, A. (1989). Acidic precipitation. Springer-Verlag.
Chicago Style aipamenaAdriano, D.C., and A.H Johnson. Acidic Precipitation. New York: Springer-Verlag, 1989.
MLA aipamenaAdriano, D.C., and A.H Johnson. Acidic Precipitation. Springer-Verlag, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.