Holdsworth, William, Sir, author
Methuen, 1938
Buku Teks
Hanbury, Harold Grenville, author
Methuen, 1956
Buku Teks
Tzouvala, Ntina, author
Cambridge University Press, 2020
eBooks
Hurst, James Willard
University of Michigan Law School, 1960
Buku Teks
Plucknett, Theodore F. T.
Little, Brown and Company, 1956
Buku Teks