Hegland, Kenney, author
St. Paul, Minn, 2003
Buku Teks
Cambridge University Press, 2017
eBooks
Cambridge University Press, 2021
eBooks
edited by Michael Bundock
LLP, 1999
Buku Teks
edited by Daniel Bodansky, Jutta Brunneee and Ellen Hey
Oxford University Press, 2007
Buku Teks