MacKendrick, Paul, 1914-
St Martin's Press, 1962
Buku Teks
Berry, George Ricker, author
Chicago, Fallet Publishing, 1962
Buku Referensi
Bowra, C. M., author
A Mentor Book, 1957
Buku Teks
Warner, Rex, 1905-1986, author
The New American Library, 1958
Buku Teks
Graves, Robert, author
Penguin Books, 1960
Buku Teks