Bright, J. R. (1968). Technological forecasting for industry and government: Methods and applications. prentice hall.
Chicago-tyylinen lähdeviittausBright, James R. Technological Forecasting for Industry and Government: Methods and Applications. New Jersey: prentice hall, 1968.
MLA-viiteBright, James R. Technological Forecasting for Industry and Government: Methods and Applications. prentice hall, 1968.
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