Ketaren, Linda C.
Universitas Indonesia, 1999
UI - Skripsi (Membership)
Barda Nawawi Arief, 1943-
Kencana Prenada Media Group, 2010
Buku Teks
Usman
1995
UI - Tesis (Membership)
Annabella R.M.
1986
UI - Skripsi (Membership)
Mohammad Taufik Makarao
Universitas Indonesia, 1997
UI - Tesis (Membership)