APA (7. basım) Alıntı

De Vera-Ruiz, E. DENR to use modern mapping system in Marawi. IN Environment News. Manila Bulletin.

Chicago Style (17. basım) Atıf

De Vera-Ruiz, Ellalyn. "DENR to Use Modern Mapping System in Marawi. IN Environment News." Manila Bulletin .

MLA (9th ed.) Atıf

De Vera-Ruiz, Ellalyn. "DENR to Use Modern Mapping System in Marawi. IN Environment News." Manila Bulletin, .