Prentice-Hall, 1961
Buku Teks
University of Chicago, Graduate Library School , 1970
Buku Referensi
Crick, Bernard, author
Routledge & Kegan Paul, 1959
Buku Teks
Gettell, Raymond G.
Appleton-Century-Crofts, 1928
Buku Teks
McFarlands & Company, 1983
Buku Referensi