Coombs, R., Saviotti, P., & Walsh, V. (1987). Economics and technological change. Rowman & Littlefield.
Tohutoru Kātū Chicago (17th ed.)Coombs, Rod, Paolo Saviotti, me Vivien Walsh. Economics and Technological Change. Totowa, N.J.: Rowman & Littlefield, 1987.
Tohutoro MLA (9th ed.)Coombs, Rod, et al. Economics and Technological Change. Rowman & Littlefield, 1987.
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