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Chicago-viite (17. p.)Philippines. Department of Environment and Natural Resources ja United Nations. Food and Agriculture Organization. The New DENR Records Management System: Basic Techniques and Procedures. Quezon City: DENR, 1995.
MLA-viite (9. p.)Philippines. Department of Environment and Natural Resources ja United Nations. Food and Agriculture Organization. The New DENR Records Management System: Basic Techniques and Procedures. DENR, 1995.
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