Tomain, Joseph P.
West Publishing Company, 1981
Buku Teks
Glicksman, Robert L.
West Publishing Co., 1995
Buku Teks
Elisa Morgera, Kati Kulovesi
Edward Elgar, 2016
Buku Teks
Lowe, John S.
West Publishing, 1995
Buku Teks
edited by Kim Talus
UK Edward Elgar, 2014
Buku Teks