Mikesell, R.M.
Govermental accounting
Lembaga Penerbit FEUI, 1969
 Buku Teks
Street, H.
Govermental liability a comparative study
Cambridge University Press, 1953
 Buku Teks
Govermental policy and international education
edited by Stewart E. Fraser
John Wiley & Sons, 1965
 Buku Teks SO
Thumm, Garold W.
Parties and the govermental system a book of readings
 Buku Teks
Welch, Claude E.
Protecting human rights in Africa: roles and strategies of non-govermental organizations
University of Pennsylvania, 1995
 Buku Teks SO