Miles, Douglas.
Centre for Asian Studies, University of Sydney, 1976
Buku Teks
Walton, Richard E.
McGraw-Hill, 1965
Buku Teks
Panjaitan, Aldian Jovi, author
Fakultas Teknik Universitas Indonesia, 2020
UI - Skripsi (Membership)
King, Victor T., author
Foris Publications, 1985
Buku Teks
Merryman, John Henry, author
Stanford Studies in Law and Development, 1979
Buku Teks