Barnet, Sylvan, author
Longman, 2001
Buku Teks
Anwari, author
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Fahrul Rizal, author
1998
UI - Skripsi (Membership)
Dewi Ayuning Kraton, author
1996
UI - Skripsi (Membership)
Puti Suci Lestari, author
1998
UI - Skripsi (Membership)