(1971). Technology forecast for 1980. New York: Van Nostrand Reinhold Co.
Chicago Style CitationTechnology Forecast for 1980. New York: Van Nostrand Reinhold Co, 1971.
Cita MLATechnology Forecast for 1980. New York: Van Nostrand Reinhold Co, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.