edited by Toy Magie
Academy Editions, 1995
Buku Teks SO
Hays, Kate F
bimonthly, 2006
Artikel Jurnal
Tymieniecka, Anna-Teresa
Springer, 2012
eBooks
Hanguk Kukche Kyoryu Chaedan
Seoul Selection, 2011
Buku Teks SO
Barnes-Svarney, Patricia L.
Simon & Schuster , 1999
Buku Teks