edited by Douglas E. Edlin
Cambridge University Press, 2007
Buku Teks
Sheth, Jagdish N.
John Wiley & Sons, 1988
Buku Teks
Gellhorn, Ernest
West , 1994
Buku Teks
Gellhorn, Ernest
St.paul Minn, 1986
Buku Teks
editorial board, Harvey M. Apbaum ... [and others]
American Bar Association, 1975
Buku Teks