1
Elkin, Stephen L
Pennsylvania State University Press,
1999,
2
Heater, Derek Benjamin.
Continuum,
2002,
3
Heater, Derek.
Manchester University Press ; New York,
2004,
4
Banks, James A.
Jossey-Bass,
2004,
5
6
Smith, Michael P.
Cornell University Press,
2008,
7
8
Peterson, Andrew
Palgrave Macmillan,
2011,
9
Kleingeld, Pauline.
Cambridge University Press,
2012,
10
Smith, Rogers M.
University of Pennsylvania Press,
2013,