APA (7th ed.) Zitazioa

Integrated Environmental Management for Sustainable Development Programme. (1998). Strategic environmental plan of Quezon province. IEMSDP.

Chicago Style (17th ed.) Zitazioa

Integrated Environmental Management for Sustainable Development Programme. Strategic Environmental Plan of Quezon Province. Quezon City: IEMSDP, 1998.

MLA (9th ed.) Zitazioa

Integrated Environmental Management for Sustainable Development Programme. Strategic Environmental Plan of Quezon Province. IEMSDP, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.