Beekman, G. (1997). Computer confluence: Exploring tomorrow's technology (2nd ed.). Benjamin.
Lua i Stíl Chicago (17ú heag.)Beekman, George. Computer Confluence: Exploring Tomorrow's Technology. 2nd ed. California: Benjamin, 1997.
Lua MLA (9ú heag.)Beekman, George. Computer Confluence: Exploring Tomorrow's Technology. 2nd ed. Benjamin, 1997.
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