Spurrett, D. (2012). What is to be Done? Why Reward is Difficult to Do Without. Frontiers Media S.A.
Chicago Style CitationSpurrett, David. What Is to Be Done? Why Reward Is Difficult to Do Without. Frontiers Media S.A, 2012.
Cita MLASpurrett, David. What Is to Be Done? Why Reward Is Difficult to Do Without. Frontiers Media S.A, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.