Arief Rachman
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Skripsi Membership
Elaine M. Landry
Springer, 2012
eBooks
Whitehead, Alfred North, 1861-1947
Philosophical Library, 1948
Buku Teks SO
Bortolotti, Lisa
Polity Press, 2008
Buku Teks SO
Chalmers, A.F.
University of Green Sland Press, 1982
Buku Teks SO