Bryant, David, author
Connecticut Library Professional, 1987
Buku Teks
Fea, Valerie
Wiltshire Library & Museum Service, 1979
Buku Referensi
Katz, William A., 1924-, author
Holt, Rinehart and Winston, 1979
Buku Teks
Blazek, Ron, author
Libraries Unlimited, 2000
Buku Referensi
Antony, Arthur, author
John Wiley & Sons, 1979
Buku Teks