Kaplan, Burton, author
Prentice-Hall, 1996
Buku Teks
Fong, Wai Mun, author
McGrawHill, 2004
Buku Teks
Stebben, Gregg, author
Pocket Books, 1999
Buku Referensi
Pickering, Thomas
Fireside, 1997
Buku Teks
Smith, Nick, author
John Wiley & Sons, 2011
Buku Teks