Cambridge University Press, 2020
eBooks
edited by Clauspeter Hill, Jochen Hoerth
Konrad-Adenauer-Stiftung, 2008
Buku Teks
Martinus Nijhoff, 1968
Buku Teks
edited by Roman Tomasic
Ashgate Publishing Limited, 2006
Buku Teks
edited by Norton Sydney Ginsburg ... [and others]
Prentice-Hall, 1958
Buku Teks