Bainbridge, David I., author
Sinar Grafika, 1993
Buku Teks
Cooke, Alison, author
Facet Publishing, 2006
Buku Teks
Cooke, Alison, author
Library Association Publishing, 1999
Buku Teks
Brent, Nancy J., author
W.B. Saunders, 2001
Buku Teks
CCH australian Limited, 1981
Buku Teks