Kamerman, Sheila B.
Temple University Press, 1976
Buku Teks
Hurst, James Willard
University of Michigan Law School, 1960
Buku Teks
edited by Richard L. Perry and John C. Cooper
American Bar Foundation, 1964
Buku Teks
Jimoondang, 2006
Buku Teks
edited by Richard L. Perry and John C. Cooper
American Bar Foundation, 1964
Buku Teks SO