Nils-Goran Olve, author
John Wiley & Sons, 2003
Buku Teks
Sistha Dahwanti
2004
UI - Tesis (Membership)
Tantri Nugroho Darmaputri, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2003
UI - Tesis (Membership)
Lase, Richard Benediktus, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2005
UI - Tesis (Membership)
North Holland, 1981
Buku Teks