Parkinson, Cyril Northcote, 1909-1993, author
John Murray, 1962
Buku Teks
Grundy, Fred, author
H.K. Lewis, 1968
Buku Teks
Woytinsky, W.S.
Vanguard Press, 1961
Buku Teks
Caiden, Gerald E., author
Melbourne University Press, 1965
Buku Teks
Lumbrini Yudhapramesti, author
Fakultas Hukum Universitas Indonesia, 2009
UI - Skripsi (Open)