Lubetzky, Seymour, author
Libraries Unlimited, 2001
Buku Teks
Artikel Jurnal
editors by Jim E. Cole; Jackie Zajanc
The Haworth Press, 1987
Buku Teks
Biers, William R
Routledge, 1992
Buku Teks
edited by Ann Olga Koloski-Ostrow, Claire L. Lyons
Routledge, 1997
Buku Teks