Anchor, Robert D., author
Surrey University Press, 1981
Buku Teks
Meyer, Christian, author
Prentice-Hall, 1996
Buku Teks
Ambrose, James E., author
John Wiley & Sons, 1997
Buku Teks
Winter, George, author
McGraw-Hill, 1981
Buku Teks
Fanella, David Anthony, author
McGraw-Hill, 2011
Buku Teks