Robert Howse
Routledge, 1995
Buku Teks
Trebilcock, Michael, author
Routledge, 2013
Buku Teks
edited by Marion Panizzon, Nicole Pohl, Pierre Sauve
Cambridge University Press, 2008
Buku Teks
Fulda, Carl H., author
Foundation Press, 1970
Buku Teks
McGovern, Edmond, author
Globefield Press, 1982
Buku Teks