Freeman, C. (1986). Design, innovation, and long cycles in economic development. St. Martins's Press.
Chicagoスタイル(17版)引用形式Freeman, Christopher. Design, Innovation, and Long Cycles in Economic Development. New York: St. Martins's Press, 1986.
MLA(9版)引用形式Freeman, Christopher. Design, Innovation, and Long Cycles in Economic Development. St. Martins's Press, 1986.
警告: この引用は必ずしも正確ではありません.