Mamlouk, Michael S., author
Pearson Prentice Hall, 2006
Buku Teks
Van Vlack, Lawrence H., author
Addison-Wesley, 1970
Buku Teks
Callister, William D., Jr., 1940-, author
John Wiley & Sons, 1997
Buku Teks
Sivarajan, V., author
Indian: Vikas, 1980
Buku Teks
Callister, William D., Jr., 1940-, author
John Wiley & Sons, 2007
Buku Teks