Gaya APA
DRUCKER, Peter P.. (1986).
The practice of management .
New York:
Perennial Library.
Gaya Chicago
DRUCKER, Peter P..
The practice of management.
New York:
Perennial Library,
1986.
Text.
Gaya MLA
DRUCKER, Peter P..
The practice of management.
New York:
Perennial Library,
1986.
Text.
Gaya Turabian
DRUCKER, Peter P..
The practice of management.
New York:
Perennial Library,
1986.
Print.