Philippines. Department of Environment and Natural Resources. Planning and Policy Studies Office. (2001). The electronic edition of environment and natural resources policy issuances (1996-2000) (Release 1.). DENR.
Chicago Style (17th ed.) CitationPhilippines. Department of Environment and Natural Resources. Planning and Policy Studies Office. The Electronic Edition of Environment and Natural Resources Policy Issuances (1996-2000). Release 1. Quezon City: DENR, 2001.
MLA (9th ed.) CitationPhilippines. Department of Environment and Natural Resources. Planning and Policy Studies Office. The Electronic Edition of Environment and Natural Resources Policy Issuances (1996-2000). Release 1. DENR, 2001.
Warning: These citations may not always be 100% accurate.