APA ציטוט

Cetron, M. J. (1969). Technological forecasting: A practical approach. New York: Technology Forecasting Institute.

Trích dẫn kiểu Chicago

Cetron, Marvin J. Technological Forecasting: A Practical Approach. New York: Technology Forecasting Institute, 1969.

ציטוט MLA

Cetron, Marvin J. Technological Forecasting: A Practical Approach. New York: Technology Forecasting Institute, 1969.