Gaya APA
Drucker, Peter F.. (1986).
The practice of management .
United States of America:
Harper & Row Publishers.
Gaya Chicago
Drucker, Peter F..
The practice of management.
United States of America:
Harper & Row Publishers,
1986.
Text.
Gaya MLA
Drucker, Peter F..
The practice of management.
United States of America:
Harper & Row Publishers,
1986.
Text.
Gaya Turabian
Drucker, Peter F..
The practice of management.
United States of America:
Harper & Row Publishers,
1986.
Print.