Keeton, Robert E., author
West Publishing Co, 1960
Buku Teks
Keeton, Robert E., author
West Pub. Co., 1960
Buku Teks
Dobbyn, John F., author
West Publishing, 1989
Buku Teks
Henderson, Roger C., author
Michie Law , 1996
Buku Teks
Colinvaux, Raoul P., author
Sweet & Maxwell , 2010
Buku Teks