APA aipamena

De Vera-Ruiz, E. Migratory species convention adopts 'Manila Declaration'. In Environment News. Manila Bulletin.

Chicago Style aipamena

De Vera-Ruiz, Ellalyn. "Migratory Species Convention Adopts 'Manila Declaration'. In Environment News." Manila Bulletin .

MLA aipamena

De Vera-Ruiz, Ellalyn. "Migratory Species Convention Adopts 'Manila Declaration'. In Environment News." Manila Bulletin, .

Kontuz: berrikusi erreferentzia hauek erabili aurretik.