Passmore, John
A hundred years of philosophy
Gerald Duckworth, 1957
 Buku Teks SO
Keuth, Herbert
The Philosophy karl Popper / Herbert Keuth
Cambridge University Press, 2005
 Buku Teks SO
Turner, Jonathan H.
Herbert Spencer: a renewed appreciation
Sage Publications, 1989
 Buku Teks SO
Nurul Arrifa
Cinta partisipatif dalam relasi subjek Henry Roth: Analisis tokoh film 50 first dates dalam perspektif Gabriel Marcel = Participative love in the subject relation of Henry Roth: Character,s analysis of 50 first dates in the perspective of Gabriel Marcel
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2013
 UI - Skripsi Membership
Ryder, Nicholas
Commercial law: principles and policy
Cambridge University Press , 2012
 Buku Teks