Fuller, Lon L.
Penguin Books, 1971
Buku Teks
Cambridge University Press, 2004
Buku Teks
Merryman, John Henry
Stanford Studies in Law and Development, 1979
Buku Teks
Teuku Mohammad Radhie
Yayasan Penelitian dan Pengembangan Hukum, 1976
Buku Teks
edited by Laura Nader
Berkeley University of California , 1997
Buku Teks