Hodges, L. (1973). Environmental pollution: A survey emphasizing physical and chemical principles. Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Hodges, Laurent. Environmental Pollution: A Survey Emphasizing Physical and Chemical Principles. New York: Holt, Rinehart and Winston, 1973.
Lua MLA (8ú heag.)Hodges, Laurent. Environmental Pollution: A Survey Emphasizing Physical and Chemical Principles. Holt, Rinehart and Winston, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.