APA (7. basım) Alıntı

(2006). The State of the Philippine environment (3rd ed.). Ibon Databank and Research Center.

Chicago Style (17. basım) Atıf

The State of the Philippine Environment. 3rd ed. Quezon City: Ibon Databank and Research Center, 2006.

MLA (9th ed.) Atıf

The State of the Philippine Environment. 3rd ed. Ibon Databank and Research Center, 2006.