Jonsson, Patrik, author
McGraw-Hill, 2009
Buku Teks
Schonberger, Richard John, author
Prenhallindo , 1997
Buku Teks
Mather, Hal, author
Prentice-Hall, 1988
Buku Teks
Moore, Franklin G., author
Irwin, 1961
Buku Teks
Lindbeck, John R., author
Prentice-Hall, 1990
Buku Teks