Andrews, Richard, author
Open University Press, 1991
Buku Teks
Chicago : The Modern Poetry Association
Majalah, Jurnal, Buletin
DiYanni, Robert
McGraw-Hill, 2000
Buku Teks
Drake, Barbara, author
Harcourt Brace College, 1994
Buku Teks
edited by Michael Hulse, David Kennedy and David Morley
Bloodaxe Books, 1993
Buku Teks