Castell, Alburey
Macmillan, 1959
Buku Teks
Bayu Kristianto, author
VDM Verlag Dr. Muller, 2009
Buku Teks
Stumpf, Samuel Enoch, 1918-1998, author
McGraw-Hill, 2012
Buku Teks
Harold Bloom
Continuum, 2004
Buku Teks
Bentley, John Edward, author
Littlefield, Adams, 1958
Buku Teks