International Lake Environment Committee & United Nations Environment Programme. Guidelines of the lake management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
Цитирование в стиле Чикаго (17-е изд.)International Lake Environment Committee и United Nations Environment Programme. Guidelines of the Lake Management. Shiga, Japan, [Nairobi]: International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
Цитирование MLA (9-е изд.)International Lake Environment Committee и United Nations Environment Programme. Guidelines of the Lake Management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
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