Gaya APA
Drucker, Peter F.. (1977).
Management .
Britain:
Pan Books.
Gaya Chicago
Drucker, Peter F..
Management.
Britain:
Pan Books,
1977.
Text.
Gaya MLA
Drucker, Peter F..
Management.
Britain:
Pan Books,
1977.
Text.
Gaya Turabian
Drucker, Peter F..
Management.
Britain:
Pan Books,
1977.
Print.