Não informado. (2018). Annual Report. Her Majesty's Stationery Office, Department of the Environment.
Chicago-Zitierstil (17. Ausg.)Não informado. Annual Report. London: Her Majesty's Stationery Office, Department of the Environment, 2018.
MLA-Zitierstil (8. Ausg.)Não informado. Annual Report. Her Majesty's Stationery Office, Department of the Environment, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.