America
New York: W.W.Norton & Company, 1988,
Buku Referensi
Cho, Hae-il
America
Dong-su-Munhak-sa, 1990
Buku Teks SO
opportunity,not fate
Artikel Jurnal
Laybourn, Ann
The only child: myths and reality
HMSD, 1994
Buku Teks SO
For inspiration only : future systems
Academy Editions, 1996
Buku Teks SO