Turner, Jonathan H., author
Goodyear, 1976
Buku Teks
Harrington, Michael
Penguin Books, 1981
Buku Teks
Lens, Sidney
Thomas Y Corwell , 1969
Buku Teks
New York: W.W.Norton & Company, 1988,
Buku Referensi
Cho, Hae-il, author
Dong-su-Munhak-sa, 1990
Buku Teks