Woll, Peter, author
Little, Brown , 1986
Buku Teks
Tambiah, S.J.
Cambridge University Press, 1976
Buku Teks
Mohammad Roudo, author
Badan Perencanaan Pembangunan Nasional (BAPPENAS), 2018
Artikel Jurnal
Pramudya A. Oktavinanda, author
University of Indonesia, Faculty of Law, 2018
Artikel Jurnal
Barak, Aharon, author
Cambridge University Press, 2015
eBooks