Davies, D. (1967). Introduction to technological economics: Duncan Davies, Callum McCarthy. John Wiley.
Chicago-stil citatDavies, Duncan. Introduction to Technological Economics: Duncan Davies, Callum McCarthy. London: John Wiley, 1967.
MLA-referensDavies, Duncan. Introduction to Technological Economics: Duncan Davies, Callum McCarthy. John Wiley, 1967.
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