Marshall, K. (1983). Package deals: A study of technology innovation and transfer. IT Publications.
Lua i Stíl Chicago (17ú heag.)Marshall, Ken. Package Deals: A Study of Technology Innovation and Transfer. London: IT Publications, 1983.
Lua MLA (8ú heag.)Marshall, Ken. Package Deals: A Study of Technology Innovation and Transfer. IT Publications, 1983.
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