edited by Niamh Moloney, Eilis Ferran; Jennifer Payne
Oxford University Press, 2015
Buku Teks
edited by Daniel Bodansky, Jutta Brunnee and Ellen Hey
University of Oxford Press, 2008
Buku Teks SO
Eddleston, Michael
New York Oxford Univ. Press 2002,
Buku Referensi
David Levi-Faur, editor
Oxford University Press, 2014
Buku Teks SO
Spickett, Gavin
Oxford University Press, 1999
Buku Referensi