Schroeder, Richard G., author
Wiley, 2005
Buku Teks
Helfert, Erich A., author
McGraw-Hill/Irwin, 2003
Buku Teks
Tappan, William T., author
McGraw-Hill, 1992
Buku Referensi
Berntein, Leopold A., author
Richard D. Irwin, 1989
Buku Teks
Hawkins, David F., author
Richard D. Irwin, 1986
Buku Teks