Smil, V., & Cornish, E. S. (1974). Energy and the environment: A long-range forecasting study. Department of Geography, University of Manitoba.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smil, Vaclav, و Edward S. Cornish. Energy and the Environment: A Long-range Forecasting Study. Winnipeg: Department of Geography, University of Manitoba, 1974.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Smil, Vaclav, و Edward S. Cornish. Energy and the Environment: A Long-range Forecasting Study. Department of Geography, University of Manitoba, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.