edited by John S. Dryzek, Bonnie Honig, Anne Phillips
Oxford University Press, 2008
Buku Referensi
edited by Ruslan Mitkov
Oxford University Press, 2004
Buku Referensi
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
Murray Longmore [and others]
Oxford University press, 2014
Buku Teks