Molnar, Felicia Eisenberg, author
Rockport, 2001
Buku Teks
Carroll, Stephen
Dorling Kindersley , 1992
Buku Referensi
Song, Jesook, 1969-, author
SUNY Press, 2014
Buku Teks
Yao, Peng, author
CYPI Press, 2010
Buku Referensi
Lee, Hae-jin, author
Wiley Publishing, 2011
Buku Teks