International Union for Conservation of Nature and Natural Resources. IUCN publications new series: = Publications UICN nouvelle série. Internat. Union for Conservation of Nature and Natural Resources.
Chicago-Zitierstil (17. Ausg.)International Union for Conservation of Nature and Natural Resources. IUCN Publications New Series: = Publications UICN Nouvelle Série. Morges: Internat. Union for Conservation of Nature and Natural Resources.
MLA-Zitierstil (9. Ausg.)International Union for Conservation of Nature and Natural Resources. IUCN Publications New Series: = Publications UICN Nouvelle Série. Internat. Union for Conservation of Nature and Natural Resources.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.