(1989). The Control Of Eutrophication Of Lakes And Reservoirs. Man and The Biosphere series.
Chicago-viite (17. p.)The Control Of Eutrophication Of Lakes And Reservoirs. Man and The Biosphere series, 1989.
MLA-viite (8. p.)The Control Of Eutrophication Of Lakes And Reservoirs. Man and The Biosphere series, 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.