Dela Cruz, N. T. (2011). Visual aid - birds hitting glass windows and what we can do to help. Animal Scene.
Čikaški stil citiranja (17. izdanje)Dela Cruz, Nathaniel T. "Visual Aid - Birds Hitting Glass Windows and What We Can Do to Help." Animal Scene 2011.
MLA način citiranja (9. izdanje)Dela Cruz, Nathaniel T. "Visual Aid - Birds Hitting Glass Windows and What We Can Do to Help." Animal Scene, 2011.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.