Adorno, Theodor W., author
Polity Press, 2008
Buku Teks
Hirsch, Julius, author
Harper & Brothers, 1955
Buku Teks
Skeet, Muriel, author
Churchill Livingstone , 1980
Buku Teks
Nightingale, Florence, author
Churchill livingstone , 1980
Buku Teks
Swan, John
Emond Montgomery Publications Limited, 1985
Buku Teks