International Lake Environment Committee & United Nations Environment Programme. Guidelines of the lake management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
Cytowanie według stylu Chicago (wyd. 17)International Lake Environment Committee i United Nations Environment Programme. Guidelines of the Lake Management. Shiga, Japan, [Nairobi]: International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
Cytowanie według stylu MLA (wyd. 9)International Lake Environment Committee i United Nations Environment Programme. Guidelines of the Lake Management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..