(WWF), W. W. F. 781: Archief van World Wildlife Fund (WWF).
Cita Chicago Style (17a ed.)(WWF), World Wildlife Fund. 781: Archief Van World Wildlife Fund (WWF).
Cita MLA (8a ed.)(WWF), World Wildlife Fund. 781: Archief Van World Wildlife Fund (WWF).
Precaución: Estas citas no son 100% exactas.