Amara Raksasataya
Asia Society , 1974
Buku Teks
Hadari Nawawi
Erlangga, 1992
Buku Referensi
[Publisher not identified], [Date of publication not identified]
Buku Teks SO
Anbar Jayadi, athor
Faculty of Law University of Indonesia, 2015
Artikel Jurnal
Biro Hukum dan Tata Laksana Sulawesi Utara, 1979
Buku Teks SO