Forest Research Institute (Philippines) & Philippines. Ecosystems Research and Development Bureau. (1979). Canopy international. Forest Research Institute.
Chicago-viite (17. p.)Forest Research Institute (Philippines) ja Philippines. Ecosystems Research and Development Bureau. Canopy International. College, Laguna, Philippines: Forest Research Institute, 1979.
MLA-viite (9. p.)Forest Research Institute (Philippines) ja Philippines. Ecosystems Research and Development Bureau. Canopy International. Forest Research Institute, 1979.
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