edited by James Galloway, Jerry Melillo
Cambridge University Press, 1990
Buku Teks
Kleinman, Mark
Palgrave Macmillan, 2002
Buku Teks
Rom, William N.
Jossey- Bass, 2012
Buku Teks
Muhamad Ramdan Andri Gunawan Wibisana
Faculty of Law University of Indonesia, 2012
Artikel Jurnal
Cambridge University Press, 2004
Buku Teks SO