Dani Kusworo, author
Program Pascasarjana Universitas Indonesia, 2011
UI - Tesis Open
Wandelt, Ingo, author
Friedrich Ebert Stiftung (FES) Indonesia Office, 2009
Buku Referensi
Bruyns, A. Morzer, author
Ichtiar, 1970
Buku Referensi
Abdul Rajak Husain, author
Aneka, 1995
Buku Referensi
Merriam-Webster, 1985
Buku Referensi