International Lake Environment Committee & United Nations Environment Programme. Guidelines of the lake management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
Chicago-Zitierstil (17. Ausg.)International Lake Environment Committee und United Nations Environment Programme. Guidelines of the Lake Management. Shiga, Japan, [Nairobi]: International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
MLA-Zitierstil (9. Ausg.)International Lake Environment Committee und United Nations Environment Programme. Guidelines of the Lake Management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.