Mason, C. F. (1981). Biology of freshwater pollution. Longman Scientific and Technical.
Lua i Stíl Chicago (17ú heag.)Mason, C. F. Biology of Freshwater Pollution. England: Longman Scientific and Technical, 1981.
Lua MLA (9ú heag.)Mason, C. F. Biology of Freshwater Pollution. Longman Scientific and Technical, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.