Froehlich, T. J. (1997). Survey and analysis of the major ethical and legal issues facing library and information services. Saur.
Lua i Stíl Chicago (17ú heag.)Froehlich, Thomas J. Survey and Analysis of the Major Ethical and Legal Issues Facing Library and Information Services. München: Saur, 1997.
Lua MLA (8ú heag.)Froehlich, Thomas J. Survey and Analysis of the Major Ethical and Legal Issues Facing Library and Information Services. Saur, 1997.
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