Dean, Meryll, author
Cavendish Publishing Limited, 2002
Buku Teks
Mermin, Samuel, author
Little, Brown, 1982
Buku Teks
Mermin, Samuel, author
Little, Brown, 1973
Buku Teks
Twomey, David P., author
Thomson Learning, 2002
Buku Teks
Sinke, Marjorie J.
Kluwer law and Taxation Publishers, 1990
Buku Teks