Kennedy, X. J., author
Harper Collins, 1991
Buku Referensi
Thwaite, Anthony, author
Heineman, 1984
Buku Teks
edited by Sylvan Barnet, Morton Berman, William Burto
Harper Collin College, 1992
Buku Teks
Doren, Mark van, author
Hill & Wang, 1966
Buku Teks
Gross, Harver, author
University of Michigan Press, 1964
Buku Teks