Universitas Indonesia, 1999
UI - Skripsi (Membership)
Purwita Wardani, author
Universitas Indonesia, 2010
UI - Skripsi (Open)
Syani, Abdul
Dunia Pustaka Jaya, 1995
Buku Teks
Sprent, Peter, author
UI-Press, 1991
Buku Teks
Sprent, Peter, author
Penerbit Universitas Indonesia (UI-Press), 2007
Buku Teks