Citra Umbara, 2009
Buku Teks
Matondang, Erwin, author
Universitas Indonesia, 2011
UI - Skripsi (Open)
Mohammad Taufik Makarao, author
Universitas Indonesia, 1997
UI - Tesis (Membership)
Rebecca Fajar Elizabeth, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Universitas Indonesia, 1998
UI - Skripsi (Membership)