Dobson, M. (1998). Ecology of aquatic systems. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Dobson, Mike. Ecology of Aquatic Systems. Prentice Hall, 1998.
Lua MLA (8ú heag.)Dobson, Mike. Ecology of Aquatic Systems. Prentice Hall, 1998.
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