1. 1
    Izdano 1984
    ...Regional and Resources Section, Economics Division, Ministry of Agriculture and Fisheries,...
    Knjiga
  2. 2
    od Ross, K. C., 1939-
    Izdano 1984
    ...Regional and Resource Section, Economics Division, Ministry of Agriculture & Fisheries,...
    Knjiga
  3. 3
    od Todd, A.
    Izdano 1989
    ...Resource Information Section, Market Information and Analysis, Ministry of Energy,...
    Knjiga