Agricultural development in Indonesia: current problems,issues and polices
 Artikel Jurnal
Glezerman, Grigory
The Laws of social development
Foreign Languages Publishing House, [date of publication not identified]
 Buku Teks
Arna Melliana
Bahasa Hukum Indonesia dalam Undang-undang Tahun 1980, 1990, 2000, dan 2010: Sebuah Tinjauan Pola Kalimat, Keefektifan Kalimat, dan Perkembangan Bahasa = Indonesian Law Language in the Laws on 1980, Laws on 1990, Laws on 2000, and Laws on 2010: An Observation about Pattern, Effectiveness, and Development of the Sentences on Legal Language
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
 UI - Skripsi (Membership)
Sudargo Gautama
The commercial laws of Indonesia
Citra Aditya Bakti, 1998
 Buku Teks
Perthel, Dirk
Laws of development indicators of development and their effects on economic growth
Amsterdam University, 1981
 Buku Teks