एपीए उद्धरण

(1972). World markets of tomorrow: Economic growth, population trends, electricity and energy, quality of life. New York: Harper and Row.

शिकागो स्टाइल उद्धरण

World Markets of Tomorrow: Economic Growth, Population Trends, Electricity and Energy, Quality of Life. New York: Harper and Row, 1972.

एमएलए उद्धरण

World Markets of Tomorrow: Economic Growth, Population Trends, Electricity and Energy, Quality of Life. New York: Harper and Row, 1972.