Kennedy, X.J.
HarperCollins, 1991
Buku Referensi
edited by Sylvan Barnet, Morton Berman, William Burto
Harper Collin College, 1992
Buku Teks
Kennedy, X.J.
HarperCollins, 1991
Buku Teks SO
editor Wang Meng
Guaji Shudian , 1987
Buku Teks SO
Hall, Donald
Holt, Rinehart and Winston, 1981
Buku Teks SO