Reference and information services: An introduction /

Antzeko izenburuak

• Reference and information services An introduction /
  nork: Bopp, Richard E.
  Argitaratua: (2001)
• Reference and information services introduction
  nork: Bopp, Richard E; ed
  Argitaratua: (2011)
• reference and information services : an introduction /
  nork: Cassell, Kay Ann
• Reference and information services : an introduction /
  nork: Piyush Ranjan
  Argitaratua: (2014)
• Reference and information services An introduction /
  nork: Bopp, Richard E.
  Argitaratua: (2005)