IBON Foundation & IBON Databank and Research Center. (2000). The State of the Philippine environment (3rd ed.). IBON Books.
Chicago Style (17th ed.) CitationIBON Foundation and IBON Databank and Research Center. The State of the Philippine Environment. 3rd ed. Quezon City: IBON Books, 2000.
MLA (9th ed.) CitationIBON Foundation and IBON Databank and Research Center. The State of the Philippine Environment. 3rd ed. IBON Books, 2000.
Warning: These citations may not always be 100% accurate.