Brinton, Crane, 1898-1968, author
The New American Library, 1958
Buku Teks
Oliveira, A. Ramos
Victor Gollancz Ltd., 1946
Buku Teks
Duchacek, Ivo D., author
Dryden Press, 1971
Buku Teks
London, Kurt
Macmillan, 1947
Buku Teks
Mackenzie, W.J.M
Penguin books, 1978
Buku Teks