Reference and information services An introduction /

Eitemau Tebyg

• Reference and information services An introduction /
  gan: Bopp, Richard E.
  Cyhoeddwyd: (2001)
• Reference and information services introduction
  gan: Bopp, Richard E; ed
  Cyhoeddwyd: (2011)
• Reference and information services: an introduction
  gan: Bopp, Richard E; Editor, et al.
  Cyhoeddwyd: (2005)
• Reference and information services: an introduction
  gan: Bopp, Richard E; Editor, et al.
  Cyhoeddwyd: (2005)
• Reference services and sources of information /
  gan: Sharma, Jagdish Saran
  Cyhoeddwyd: (1987)