Kennedy, X.J.
Harper Collins College, 1991
Buku Teks
Kennedy, X.J.
Pearson, 2016
Buku Teks SO
Hall, Donald
Holt, Rinehart and Winston, 1981
Buku Teks
Kennedy, X.J.
Harper Collins, 1991
Buku Referensi
edited by Sylvan Barnet, Morton Berman, William Burto
Harper Collin College, 1992
Buku Teks