Gaya APA
Drucker, Peter F.. (1995).
Managing in a time of great change .
New York:
Truman Talley Books.
Gaya Chicago
Drucker, Peter F..
Managing in a time of great change.
New York:
Truman Talley Books,
1995.
Text.
Gaya MLA
Drucker, Peter F..
Managing in a time of great change.
New York:
Truman Talley Books,
1995.
Text.
Gaya Turabian
Drucker, Peter F..
Managing in a time of great change.
New York:
Truman Talley Books,
1995.
Print.