Reference and information services: An introduction/

Eitemau Tebyg

• reference and information services : an introduction /
  gan: Cassell, Kay Ann
• reference and information services :
  gan: Cassell, Kay Ann
• Reference services and sources of information /
  gan: Sharma, Jagdish S
  Cyhoeddwyd: (2004)
• Reference and information services An introduction /
  gan: Bopp, Richard E.
  Cyhoeddwyd: (2001)
• Reference and information services An introduction /
  gan: Bopp, Richard E.
  Cyhoeddwyd: (2011)