Ribalow, Harold U., author
Twayne, 1945
Buku Teks
Leeming, Glenda, author
Published for the British Council, 1972
Buku Teks
Swinnerton, Frank, author
Longman , 1961
Buku Teks
Arnold, Alvin L., author
John Wiley & Sons, 1993
Buku Referensi
Trilling, Lionel
Meridian Books, 1955
Buku Teks