Basic reference sources. /

Eitemau Tebyg

• Basic reference books : An introduction to the study and use of reference materials with special emphasis on some 300 littles. /
  gan: Shores, Louis
  Cyhoeddwyd: (1946)
• Reference sources and sources of Information
  gan: Ekbote G R
  Cyhoeddwyd: (1987)
• Introduction to reference book: basic information sources
  gan: Katz, Willaim A.
  Cyhoeddwyd: (1974)
• Reference Service and sources
  gan: Sharma CK
• Reference sources handbook /
  Cyhoeddwyd: (1996)