Cox, M. E. (1985). Geochemical examinaiton of the active hydrothermal system at Ngawha, Northland, New Zealand: Hydrochemical model, element distribution and geological setting.
Chicago-viite (17. p.)Cox, Malcom Edward. Geochemical Examinaiton of the Active Hydrothermal System at Ngawha, Northland, New Zealand: Hydrochemical Model, Element Distribution and Geological Setting. 1985.
MLA-viite (8. p.)Cox, Malcom Edward. Geochemical Examinaiton of the Active Hydrothermal System at Ngawha, Northland, New Zealand: Hydrochemical Model, Element Distribution and Geological Setting. 1985.
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