Não informado. (2018). Annual Report. Her Majesty's Stationery Office, Department of the Environment.
Chicago Style (17. basım) AtıfNão informado. Annual Report. London: Her Majesty's Stationery Office, Department of the Environment, 2018.
MLA (8th ed.) AtıfNão informado. Annual Report. Her Majesty's Stationery Office, Department of the Environment, 2018.
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