(1976). Technological substitution: Forecasting techniques and applications. New York: Elsevier Pub. Co.
Trích dẫn kiểu ChicagoTechnological Substitution: Forecasting Techniques and Applications. New York: Elsevier Pub. Co, 1976.
ציטוט MLATechnological Substitution: Forecasting Techniques and Applications. New York: Elsevier Pub. Co, 1976.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.