Gaya APA
      Greenwood, P, G., M.Sc, R, B, E. (1971).
    Applied Geophysics Unit Report No. 3 Geophysical Surveys In Select Areas Of Central And Weast Java, Indonesia .
    London:
  Pusat Sumber Daya Geologi.
  
Gaya MLA
      Greenwood, P., G.., M.Sc, R., B., Evans,.
    "Applied Geophysics Unit Report No. 3 Geophysical Surveys In Select Areas Of Central And Weast Java, Indonesia".
    
    London:
  Pusat Sumber Daya Geologi,
  1971.
  Geofisika.