Weber, R. J. (1992). Forks, phonographs, and hot air balloons: A field guide to inventive thinking. Oxford University Press.
Cita Chicago Style (17a ed.)Weber, Robert J. Forks, Phonographs, and Hot Air Balloons: A Field Guide to Inventive Thinking. New York: Oxford University Press, 1992.
Cita MLA (9a ed.)Weber, Robert J. Forks, Phonographs, and Hot Air Balloons: A Field Guide to Inventive Thinking. Oxford University Press, 1992.
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