Prentice-Hall, 1998
Buku Teks
Askeland, Donald R.
Chapman & Hall, 1990
Buku Teks
Van Nostrand Reinhold, 1985
Buku Teks
Bolton, W. (William), 1933-, author
Butterworth-Heinemann, 1994
Buku Teks
Mamlouk, Michael S., author
Pearson Prentice Hall, 2006
Buku Teks