De Vera-Ruiz, E. Wildlife species released to natural habitat-DENR. Manila Bulletin.
Čikaški stil citiranja (17. izdanje)De Vera-Ruiz, Ellalyn. "Wildlife Species Released to Natural Habitat-DENR." Manila Bulletin .
MLA način citiranja (9. izdanje)De Vera-Ruiz, Ellalyn. "Wildlife Species Released to Natural Habitat-DENR." Manila Bulletin, .
Upozorenje: Ovi citati možda nisu uvijek 100% točni.