Felix, F. (1972). World markets of tomorrow: Economic growth, population trends, electricity and energy, quality of life. Harper and Row.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Felix, Fremont. World Markets of Tomorrow: Economic Growth, Population Trends, Electricity and Energy, Quality of Life. London, New York: Harper and Row, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Felix, Fremont. World Markets of Tomorrow: Economic Growth, Population Trends, Electricity and Energy, Quality of Life. Harper and Row, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.