Naewoe Press , 1977
Buku Teks
Saunders, David, 1940-, author
Routledge, 1997
Buku Teks
Daiches, David
New York, Cornell University Press
Buku Referensi
Sansom, Clive, 1910-, author
Phoenix House, 1959
Buku Teks
Davies, Hugh Sykes
Hutchinson, 1966
Buku Teks