Felix, F. (1972). World markets of tomorrow: Economic growth, population trends, electricity and energy, quality of life. Harper and Row.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFelix, Fremont. World Markets of Tomorrow: Economic Growth, Population Trends, Electricity and Energy, Quality of Life. London, New York: Harper and Row, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFelix, Fremont. World Markets of Tomorrow: Economic Growth, Population Trends, Electricity and Energy, Quality of Life. Harper and Row, 1972.
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