Adriano, D., & Johnson, A. (1989). Acidic precipitation. Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)Adriano, D.C., agus A.H Johnson. Acidic Precipitation. New York: Springer-Verlag, 1989.
Lua MLA (9ú heag.)Adriano, D.C., agus A.H Johnson. Acidic Precipitation. Springer-Verlag, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.