Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition Citationgreen cross international. National sovereignty and international watercourses. Green Cross International.
Chicago Citation Edition Citationgreen cross international. National Sovereignty and International Watercourses. Conches-Geneva, Switzerland: Green Cross International.
MLA Citation Edition Citationgreen cross international. National Sovereignty and International Watercourses. Green Cross International.