Philippines. Bureau of Forestry. Annual report of the Director of Forestry of the Philippines. Bureau of Print.
Chicago-viite (17. p.)Philippines. Bureau of Forestry. Annual Report of the Director of Forestry of the Philippines. Manila: Bureau of Print.
MLA-viite (8. p.)Philippines. Bureau of Forestry. Annual Report of the Director of Forestry of the Philippines. Bureau of Print.
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