Teuku Mohammad Radhie
Yayasan Penelitian dan Pengembangan Hukum, 1976
Buku Teks SO
Merryman, John Henry
Stanford Studies in Law and Development, 1979
Buku Teks SO
Schur, Edwin M.
Random House, 1968
Buku Teks
edited by Laura Nader
Berkeley University of California , 1997
Buku Teks SO
Universitas Indonesia,
Majalah, Jurnal, Buletin