Cambridge University Press, 2019
eBooks
Vincent Chetail, Celine Bauloz
Edward Elgar, 2015
Buku Teks SO
Nicholas Tsagourias, Russell Buchan.d
Edward Elgar Pub. Ltd., 2015
Buku Teks SO
edited by Jan Klabbers, Asa Wallendahl
Edward Elgar, 2011
Buku Teks
edited by Kim Talus
UK Edward Elgar, 2014
Buku Teks