IBON Foundation & IBON Databank and Research Center. (2000). The State of the Philippine environment (3rd ed.). IBON Books.
Citación estilo ChicagoIBON Foundation and IBON Databank and Research Center. The State of the Philippine Environment. 3rd ed. Quezon City: IBON Books, 2000.
Cita MLAIBON 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.