Brown, Simon, [et.al] author
Apress, 2003
Buku Teks SO
Freeman, Adam
Springer, 2012
eBooks
Lueptow, Richard M.
Prentice-Hall, 2001
Buku Teks SO
Kelley, David S.
McGraw-HIll, 2002
Buku Teks SO
Universitas Katolik Parahyangan. Fakultas Hukum. Program Studi Ilmu Hukum, 2006
Majalah, Jurnal, Buletin