Lazarinis, Fotis
Chandos, 2015
eBooks
Raju, Jaya
Chandos, 2006
Buku Teks
American Library Association, 1984
Buku Referensi
edited by Michael Gorman, Paul W. Winkler
American Library Association, 1978
Buku Referensi
Fleischer, Eugene
Neal-Schuman Publishers, Inc. , 1980
Buku Teks