Reference services and sources of information /

Eitemau Tebyg

• Reference service and sources of information /
  Cyhoeddwyd: (1987)
• References services and the digital sources of information /
  Cyhoeddwyd: (2004)
• Reference services and information sources, Information services, Computers and information technology
  gan: Kumar, K; Author, et al.
  Cyhoeddwyd: (2005)
• Reference Sources and Services in Library Science
  gan: Madan Mohan Singh
  Cyhoeddwyd: (2013)
• Reference and information services:an introduction
  gan: Ranjan,Piyush
  Cyhoeddwyd: (2014)