Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1991
UI - Skripsi (Membership)
Oxford Business Group, [date of publication not identified]
Buku Teks
Artikel Jurnal
Euromoney Publication, 1991
Buku Teks
Sinaga, Christina Metwati, author
Program Pascasarjana Universitas Indonesia, 2009
UI - Tesis (Open)