Não informado. (2018). Annual Report. Her Majesty's Stationery Office, Department of the Environment.
Chicagoスタイル(17版)引用形式Não informado. Annual Report. London: Her Majesty's Stationery Office, Department of the Environment, 2018.
MLA(8版)引用形式Não informado. Annual Report. Her Majesty's Stationery Office, Department of the Environment, 2018.
警告: この引用は必ずしも正確ではありません.