Freeman, C. (1986). Design, innovation, and long cycles in economic development. St. Martins's Press.
Citazione stile Chigago Style (17a edizione)Freeman, Christopher. Design, Innovation, and Long Cycles in Economic Development. New York: St. Martins's Press, 1986.
Citatione MLA (9a ed.)Freeman, Christopher. Design, Innovation, and Long Cycles in Economic Development. St. Martins's Press, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.