Firmansyah Is Nursal, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2008
UI - Tesis (Open)
Gevirtz, Don, author
G.P. Putnam`s Sons, 1984
Buku Teks
Record, Matthew, author
Glorier International, 1999
Buku Referensi
Ferry Ismanadi Uska, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis (Open)
Michael Jeffrey Christianto, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis (Open)