edited by Bill Katz
The Haworth Press , 1993
Buku Teks
Cassell, Kay Ann, author
Neal-Schuman, an imprint of the American Library Association, 2013
Buku Teks
Katz, William A., 1924-, author
McGraw-Hill, 1987
Buku Teks
Katz, William A., 1924-, author
McGraww-Hill, 1992
Buku Teks
edited by Judy Reynolds
Haworth Press, 1994
Buku Referensi