edited by Michael Moran, Martin Rein, Robert E. Goodin
Oxford University Press, 2008
Buku Referensi
edited by Mark Bovens, Robert E. Goodin and Thomas Schillemans
Oxford University Press, 2014
Buku Teks
Mordechai E. Kreinin, Michael G. Plummer, editors
Oxford University Press, 2012
Buku Teks
Oxford University press, 2006
Buku Teks
Edited by B. Guy Peters, Jon Pierre
Sage, 2015
Buku Referensi