Satya Arinanto, author
Faculty of law University of Indonesia, 2000
Buku Teks
Haar, B. ter, author
Bhratara, 1962
Buku Teks
Sudargo Gautama, author
Citra Aditya Bakti, 2002
Buku Teks
Universitas Indonesia,
Majalah, Jurnal, Buletin
Robert H. Perry, Don W. Green, James O. Moloney
Kementrian Pekerjaan Umum, 2006
Buku Referensi