Reno Puti Bulan
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2009
UI - Skripsi Open
Nightingale, Florence
Churchill livingstone , 1980
Buku Teks SO
Sartre, Jean-Paul
Routledge classics, 2001
Buku Teks
edited by Mary Bosworth and Carolyn Hoyle
Oxford University Press, 2013
Buku Teks
Benjamin, Andrew
Academy Editions, 1996
Buku Teks