Reno Puti Bulan
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2009
UI - Skripsi Open
Nightingale, Florence
Churchill livingstone , 1980
Buku Teks SO
Horrie, Chris
Virgin Books, 1991
Buku Teks SO
Ahmed, Qadeeruddin
Justice (Retd.) Qadeeruddin Ahmed, 1994
Buku Teks SO
Sartre, Jean-Paul
Routledge classics, 2001
Buku Teks SO