Bolton, William, 1933-
Butterworth-Heinemann, 1994
Buku Teks
Henkel, Daniel P.
McGraw-Hill, Higher Education, 2002
Buku Teks
Callister, William D., Jr., 1940-
John Wiley & Sons, 2000
Buku Teks
Mamlouk, Michael S.
Pearson Prentice Hall, 2006
Buku Teks
Van Vlack, Lawrence H.
Addison-Wesley, 1970
Buku Teks