edited by Andrea Axelrod, Jude Dratt and Stuart Sucherman
Ford Foundation, [Date of publication not identified]
Buku Teks
Barendt, E. M.
Pearson, 2000
Buku Teks SO
Teo, Yi-Ling
Sweet & Maxwell Asia, 2011
Buku Teks
Berlmas, Genelle
Wadsworth and Cengage Learning, 2012
Buku Teks
Crone, Tom
Focal Press, 1995
Buku Teks