Gaya APA
      Lowder, G, G., Dow, J, A, S. (1978).
    Geology And Exploration Of Porphyry Gopper Deposits In North Sulawesi, Indonesia .
    Australia:
  Geology And Exploration Of Porphyry Gopper Deposits In North Sulawesi, Indonesia.
  
Gaya MLA
      Lowder, Garry, G., Dow, John, A., S..
    "Geology And Exploration Of Porphyry Gopper Deposits In North Sulawesi, Indonesia".
    
    Australia:
  Geology And Exploration Of Porphyry Gopper Deposits In North Sulawesi, Indonesia,
  1978.
  Bukan Logam.