Poulter, Alan
Library Association Publishing, 2000
Buku Referensi
Poulter, Alan
Library Association, 1999
Buku Teks
edited by Lewis-Guodo Liu
Greenwood Press, 2001
Buku Teks
Griffiths, Peter
Facet, 2004
Buku Teks
Gonzalez-Mena, Janet
McGraw-Hill, 2012
Buku Teks