Hobsbaum, Philip
Routledge, 1996
Buku Teks
Daley, Victor
Angus & Robertson, 1963
Koleksi Publik
Hewett, Dorothy, author
Currency, 1976
Buku Teks
Robbins, Harold, 1916-1997
New English Library, 1982
Koleksi Publik
Moffitt, Ian, author
Collins, 1982
Buku Teks