Pinsler, Jeffrey, author
Lexis Nexis , 2013
Buku Teks
Hollander, Barnett, author
Bowes & Bowes, 1965
Buku Teks
Sudargo Gautama, author
Tak Seng Press, 1972
Buku Teks
Knight, Bernard
Cavendish, 1998
Buku Teks
Rand, Robert, author
Westview Press, 1991
Buku Teks