Guide to reference books

Antzeko izenburuak

• Guide to reference books. /
  nork: Winchell, Constane M.
  Argitaratua: (1951)
• Guide to reference material
  nork: Walford, A J
  Argitaratua: (1970)
• Introduction to reference books. /
  nork: Roberts, A. D.
  Argitaratua: (1951)
• United states reference publications : a guide to the current reference publications of the fedderal government. /
  Argitaratua: (1931)
• Reference material for young people. /
  nork: Lock, Muriel
  Argitaratua: (1971)