Não informado. (2018). Annual Report of the Department of Mines and Technical Surveys. Department of Mines and Technical Surveys.
Chicago (17e ed.) BronvermeldingNão informado. Annual Report of the Department of Mines and Technical Surveys. Ottawa: Department of Mines and Technical Surveys, 2018.
MLA (8e ed.) BronvermeldingNão informado. Annual Report of the Department of Mines and Technical Surveys. Department of Mines and Technical Surveys, 2018.
Let op: Deze citaties zijn niet altijd 100% accuraat.