edited by Stanley J. Kunitz and Howard Haycraft
H.W. Wilson, 1960
Buku Referensi
Buell, Lawrence, author
Blackwell Publishing, 2005
Buku Teks
Habib, M.A.R., author
Blackwell, 2008
Buku Teks
Davis, Con, author
Longman, 1991
Buku Teks
Juhl, P.D.
Princeton University Press, 1980
Buku Teks