Lua APA (7ú heag.)

(WWF), W. W. F. 781: Archief van World Wildlife Fund (WWF).

Lua i Stíl Chicago (17ú heag.)

(WWF), World Wildlife Fund. 781: Archief Van World Wildlife Fund (WWF).

Lua MLA (8ú heag.)

(WWF), World Wildlife Fund. 781: Archief Van World Wildlife Fund (WWF).

Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.