Freyberg, Annabel, author
Laurence King Publishing, ,
Buku Referensi
Peterson, Susan, author
Laurence King Publishing, 2000
Buku Referensi
Kang, Kyong-suk, 1940-, author
Korea Foundation, 2008
Buku Teks
edited by P. Vincenzini
Elsevier, 1980
Buku Teks
Kingery, W.D., author
John Wiley & Sons, 1976
Buku Teks