Hide, R. L., & Cuddy, S. M. (1988). Papua New Guinea inventory of natural resources population distribution and land use: Annotated and selected bibliography of small holder farming systems in PNG. Land Utilization Section DPI, Division of Water and Land Resources, CSIRO.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hide, R. L., και S. M. Cuddy. Papua New Guinea Inventory of Natural Resources Population Distribution and Land Use: Annotated and Selected Bibliography of Small Holder Farming Systems in PNG. Papua New Guinea, Australia: Land Utilization Section DPI, Division of Water and Land Resources, CSIRO, 1988.
Παραπομπή σε μορφή MLA (9th εκδ.)Hide, R. L., και S. M. Cuddy. Papua New Guinea Inventory of Natural Resources Population Distribution and Land Use: Annotated and Selected Bibliography of Small Holder Farming Systems in PNG. Land Utilization Section DPI, Division of Water and Land Resources, CSIRO, 1988.