Black, Henry Campbell, author
West Publishing, 1968
Buku Referensi
editor in chief Bryan A. Garner
West Thomson-Reuters, 2009
Buku Referensi
Ivamy, E.R. Hardy, author
Butterworth, 1988
Buku Referensi
editor by Bryan A. Garner
Thomson Reutern , 2014
Buku Referensi
Shaw, Malcolm Nathan, 1947-, author
Cambridge University Press, 2017
Buku Teks