Holmes, Vicki L.
Cambridge University Press, 2001
Buku Teks SO
Kennedy, X.J.
Pearson, 2016
Buku Teks SO
Chicago : The Modern Poetry Association
Majalah, Jurnal, Buletin
DiYanni, Robert
McGraw-Hill, 2000
Buku Teks SO
Hutchinson, G.O.
Clarendon Press, 1990
Buku Referensi