Marshall, Alan, 1902-1984
Hyland House, 1981
Buku Teks SO
Brooke, J.
London Longmans 1954
Buku Teks
Ryan, K.W.
Law Book Company, 1972
Buku Teks
Huxley, Aldous, 1894-1963
The Modern Library, 1923
Buku Teks SO
Huxley, Aldous, 1894-1963
Bantam Books , 1959
Buku Teks SO