Amin Widjaja Tunggal, author
Harvarindo, 2008
Buku Teks
Norris, Gweneth, author
CIMA Publishing, 2005
Buku Teks
Norris, Gweneth, author
CIMA Publishing, 2005
Buku Teks
Hendrik Budi Untung, author
Sinar Grafika, 2007
Buku Teks
Hawkins, David E., author
Palgrave Macmillan, 2006
Buku Teks