Integrated Environmental Management for Sustainable Development Programme. (1998). Strategic environmental plan of Quezon province. IEMSDP.
Chicago Style aipamenaIntegrated Environmental Management for Sustainable Development Programme. Strategic Environmental Plan of Quezon Province. Quezon City: IEMSDP, 1998.
MLA aipamenaIntegrated Environmental Management for Sustainable Development Programme. Strategic Environmental Plan of Quezon Province. IEMSDP, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.