Bloomberg, Marry, author
Libraries Unlimited, 1985
Buku Teks
American Library Association, 2018
Majalah, Jurnal, Buletin
Evans, G. Edward, 1937-, author
Libraries Unlimited, 2002
Buku Teks
edited by Gordon Stevenson and Sally Stevenson
The Haworth Press , 1984
Buku Teks
edited by Jennifer S. Cargill
Haworth Press , 1988
Buku Teks