Freeman, C. (1986). Design, innovation, and long cycles in economic development. St. Martins's Press.
芝加哥风格引文Freeman, Christopher. Design, Innovation, and Long Cycles in Economic Development. New York: St. Martins's Press, 1986.
MLA引文Freeman, Christopher. Design, Innovation, and Long Cycles in Economic Development. St. Martins's Press, 1986.
警告：这些引文格式不一定是100％准确.