edited by Matthias Steup, Ernest Sosa, Jonathan Dancy
Wiley-Blackwel, 2010
Buku Teks SO
Turri, John
John Wiley & Sons, 2014
Buku Teks SO
Rescher, Nicholas
State University of New York Press, 2003
Buku Teks SO
Edited by Michael Huemer
Routledge, 2002
Buku Teks SO
Harvard Business School Publishing Corporation, 2001
Buku Teks SO