Annual review of communications: National Engineering Consortium, volume XXXXVI 1992-93
International Engineering Consortium
National Engineering Consortium., 1992
 eBooks
The international who's who 1992-93
Europa Publication Limited, 1994
 Buku Referensi
Wanda Katili
Comfort letter
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1983
 UI - Skripsi Membership
Hawthorne, Nathaniel
Scarlet letter
Narasi, 2004
 Buku Teks
Hawthorne, Nathaniel
The Scarlet letter
Random House, 1992
 Buku Teks