Lua APA (7ú heag.)
ebrary, Inc, & Davis, M. (2002). The impact of technology on services. Emerald Group Publishing.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Mark Davis. The Impact of Technology on Services. Bradford, England: Emerald Group Publishing, 2002.
Lua MLA (9ú heag.)
ebrary, Inc, agus Mark Davis. The Impact of Technology on Services. Emerald Group Publishing, 2002.
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