Pagonis, General William G.
Harvard Business School Press , 1992
Buku Teks
Jones, james V., author
McGrawHill, 1994
Buku Referensi
Gray, Charles L.
The University of Michigan Press, 1988
Buku Teks
McNamara, Robert S., 1916-2009, author
Vintage Books , 1996
Buku Teks
Forsyth, Frederick, 1938-, author
Bantam Books, 1995
Buku Teks