Malhotra, Inder
UBSPD Publishers' Distributor, Ltd, 1991
Buku Teks
Riant Nugroho Dwidjowijoto, author
Elex Media Komputindo, 2001
Buku Teks
Le Roy, Michael K., author
Thomson Wadsworth, 2007
Buku Teks
Sekretariat Negara RI, 2006
Majalah, Jurnal, Buletin
Expand Sarana Multimedia,
Majalah, Jurnal, Buletin