Tawney, R.H., author
George Allen and Unwin, 1952
Buku Teks
Wu, Xiaoyun, author
China Renmin University Press, 2015
eBooks
Bowen, John R., author
Cambridge Uiversity Press, 2003
Buku Teks
Elsaad Wirasah, author
Fakultas Hukum Universitas Indonesia, 2021
UI - Skripsi (Membership)
N.V. Douglas, Chairman
A.R. Shearer, 1975
Buku Teks