Não informado. (2001). Annual report of the Grassland Research Institute. Grassland Research Institute.
Chicagoスタイル(17版)引用形式Não informado. Annual Report of the Grassland Research Institute. Berkshire, Inglaterra: Grassland Research Institute, 2001.
MLA(8版)引用形式Não informado. Annual Report of the Grassland Research Institute. Grassland Research Institute, 2001.
警告: この引用は必ずしも正確ではありません.