Drucker, P. The new realities,
Harper & Row, 1989, 276 s., 0-06-016129-9.
Drucker, P. .
The new realities.
New York: Harper & Row, 1989, 276 s., 0-06-016129-9.
Drucker, P. (1989)
The new realities,
New York: Harper & Row, 276 s., 0-06-016129-9
Drucker, P.
(1989).
The new realities. In government and politics, in economics and business, in society and world view. New York: Harper & Row, 276 s..