Hasegawa, Noriyoshi, author
Prgeone, 2006
Buku Teks
Hasegawa, Noriyoshi, author
Page one publishing pte ltd, 2010
Buku Teks
Hasegawa, Noriyoshi
Prgeone, 2007
Buku Teks
Drago, Carl, author
Blackwell Publishing, 2007
Buku Referensi
Ziegler, Kathleen, author
Rockport Publishers, 1994
Buku Referensi