Ahmad Rizki Sridadi, author
Airlangga University Press, 2009
Buku Teks
Sirait, R.B., author
Fakultas Hukum Universitas Indonesia, 1987
UI - Skripsi (Membership)
Ari Wahyudi Hertanto, author
Rizkita, 2010
Buku Teks
Gunarto Suhardi, author
Universitas Atma Jaya, 2004
Buku Teks
Goode, Roy, author
Penguin Books, 2004
Buku Teks