Everett, Alan
Longman Scientific and technical, 1992
Buku Teks
Bolton, W. (William), 1933-, author
Butterworth-Heinemann, 1994
Buku Teks
Henkel, Daniel P., author
McGraw-Hill, Higher Education, 2002
Buku Teks
Callister, William D., Jr., 1940-, author
John Wiley & Sons, 2000
Buku Teks
Mamlouk, Michael S., author
Pearson Prentice Hall, 2006
Buku Teks