David, Fred R., author
Pearson, 2009
Buku Teks
Wheelen, Thomas L., author
Addison-Weley Publishing , 1990
Buku Teks
Cravens, David W., author
McGraw-Hill Irwin, 2002
Buku Teks
Pearce, John A., author
Irwin, 1988
Buku Teks
Pearce, John A., author
Irwin, 1991
Buku Teks