edited by Jennifer S. Cargill
Meckler , 1991
Buku Teks SO
Tenopir, Carol
Libraries Unlimited, 1989
Buku Teks SO
editor by Robert P. Holley
The Haworth Press , 1989
Buku Teks SO
Lovecy, Ian
The Library Association 1984, 1984
Buku Teks SO
Cooper, Michael D.
Wiley, 1996
Buku Teks SO