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Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998)
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- Source
- Online. 22(1998) no.4, S.22-28
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Aghemo, A.: ¬Il reference librarian nel contesto multimediale (1998)
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Koutnik, C.: ¬The World Wide Web is here : is the end of printed reference sources near? (1997)
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Katz, W.A.: Introduction to reference work : Vol.1: Basic information sources; vol.2: Reference services and reference processes (1992)
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