Reference and information services: An introduction/

Antzeko izenburuak

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