Backman, J. (1974). Labor, technology and productivity. New York: New York University Press.
Trích dẫn kiểu ChicagoBackman, Jules. Labor, Technology and Productivity. New York: New York University Press, 1974.
ציטוט MLABackman, Jules. Labor, Technology and Productivity. New York: New York University Press, 1974.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.