Dwi Librianto
Fakultas Hukum Universitas Indonesia, 1987
UI - Skripsi (Membership)
Cambridge University Press, 1996
Buku Teks
Coffey, Alan R.
Prentice-Hall, 1974
Buku Teks
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Norwegian University Press, 1991
Buku Teks