Harris, C., Vickers, J., & Geroski, P. (1985). Patent Races and the Persistence of Monopoly. Blackwell.
Lua i Stíl Chicago (17ú heag.)Harris, C., J. Vickers, agus P. Geroski. Patent Races and the Persistence of Monopoly. Blackwell, 1985.
Lua MLA (9ú heag.)Harris, C., et al. Patent Races and the Persistence of Monopoly. Blackwell, 1985.
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