Não informado. (2018). Annual Report. Her Majesty's Stationery Office, Department of the Environment.
Chicago (17e ed.) BronvermeldingNão informado. Annual Report. London: Her Majesty's Stationery Office, Department of the Environment, 2018.
MLA (8e ed.) BronvermeldingNão informado. Annual Report. Her Majesty's Stationery Office, Department of the Environment, 2018.
Let op: Deze citaties zijn niet altijd 100% accuraat.