Kingston, W. (1968). Invention and monopoly. Woolwich Polytechnic, Dept. of Economics and Business Studies.
Chicago-viite (17. p.)Kingston, William. Invention and Monopoly. London: Woolwich Polytechnic, Dept. of Economics and Business Studies, 1968.
MLA-viite (8. p.)Kingston, William. Invention and Monopoly. Woolwich Polytechnic, Dept. of Economics and Business Studies, 1968.
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