Não informado. (2004). Irrigation Engineering and Maintenance. H. L. Peace Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Irrigation Engineering and Maintenance. New Orleans, La: H. L. Peace Publications, 2004.
Lua MLA (8ú heag.)Não informado. Irrigation Engineering and Maintenance. H. L. Peace Publications, 2004.
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