Não informado. (2009). Crop & Pasture Science. Commonwealth Scientific and Industrial Research Organization.
Lua i Stíl Chicago (17ú heag.)Não informado. Crop & Pasture Science. Victoria, Austrália: Commonwealth Scientific and Industrial Research Organization, 2009.
Lua MLA (8ú heag.)Não informado. Crop & Pasture Science. Commonwealth Scientific and Industrial Research Organization, 2009.
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