Dickson, Paul, author
Facts on file, 1986
Buku Teks
Anderson, Ian, author
Media masters publishing sdn. bhd., 2011
Buku Referensi
Ian Anderson
Media Master Pub., 2011
Buku Teks
American Library Association , [date of publication not identified]
Buku Teks
Meridians, [196?]
Buku Teks