O. Notohamidjojo
Badan Penerbit Kristen, 1970
Buku Teks SO
Wallace, Rebecca M.M.
Sweet & Maxwell, 1992
Buku Teks SO
M.Ya’kub Aiyub Kadir
Faculty of Law University of Indonesia, 2015
Artikel Jurnal
Arie Afriansyah
Faculty of Law University of Indonesia, 2013
Artikel Jurnal
O`Connell, D.P.
Cambridge University Press, 1967
Buku Teks SO