Center For Science And Environment. (2011). Environmental Education A Book Of Activities: Climate Change Natural Resources. Center For Science And Environment.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Center For Science And Environment. Environmental Education A Book Of Activities: Climate Change Natural Resources. Delhi: Center For Science And Environment, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Center For Science And Environment. Environmental Education A Book Of Activities: Climate Change Natural Resources. Center For Science And Environment, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.