International Lake Environment Committee & United Nations Environment Programme. Guidelines of the lake management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Lake Environment Committee و United Nations Environment Programme. Guidelines of the Lake Management. Shiga, Japan, [Nairobi]: International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Lake Environment Committee و United Nations Environment Programme. Guidelines of the Lake Management. International Lake Environment Committee Foundation United Nations Environment Programme c1988-.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.