Hunter, Eric J., author
Clive Bingley, 1985
Buku Teks
edited by Michael Gorman, Paul W. Winkler
American Library Association, 1978
Buku Referensi
Kochar, R.S., author
Rajat Publications, 1998
Buku Teks
Raju, Jaya, author
Chandos, 2006
Buku Teks
Fleischer, Eugene, author
Neal-Schuman Publishers, Inc. , 1980
Buku Teks