(1989). The Control Of Eutrophication Of Lakes And Reservoirs. Man and The Biosphere series.
Lua i Stíl Chicago (17ú heag.)The Control Of Eutrophication Of Lakes And Reservoirs. Man and The Biosphere series, 1989.
Lua MLA (8ú heag.)The Control Of Eutrophication Of Lakes And Reservoirs. Man and The Biosphere series, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.