Cetron, M. J. (1969). Technological forecasting: A practical approach. New York: Technology Forecasting Institute.
Trích dẫn kiểu ChicagoCetron, Marvin J. Technological Forecasting: A Practical Approach. New York: Technology Forecasting Institute, 1969.
MLA CitationCetron, Marvin J. Technological Forecasting: A Practical Approach. New York: Technology Forecasting Institute, 1969.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.