Einer Elhauge, editor
Edward Elgar, 2012
Buku Teks
Pasner, Richard A.
Little, Brown & Co., 1982
Buku Teks
Breger, Marshall J., author
Oxford University Press, 2015
Buku Teks
Zuckerman, Harriet, author
The Free Press, 1977
Buku Teks
Stone, Christopher D.
Harper & Row , 1975
Buku Teks