Philippines. Department of Natural Resources. (1976). Inventory of Philippine natural resources. DNR in cooperation with the Development Academy of the Philippines Publications Office.
Chicago-viite (17. p.)Philippines. Department of Natural Resources. Inventory of Philippine Natural Resources. Quezon City: DNR in cooperation with the Development Academy of the Philippines Publications Office, 1976.
MLA-viite (9. p.)Philippines. Department of Natural Resources. Inventory of Philippine Natural Resources. DNR in cooperation with the Development Academy of the Philippines Publications Office, 1976.
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