Gaya APA
Drucker, Peter F.. (1985).
Management: Tasks, Responsibilities, Practices .
New York:
Harper & Row, Publishers.
Gaya Chicago
Drucker, Peter F..
Management: Tasks, Responsibilities, Practices.
New York:
Harper & Row, Publishers,
1985.
Text.
Gaya MLA
Drucker, Peter F..
Management: Tasks, Responsibilities, Practices.
New York:
Harper & Row, Publishers,
1985.
Text.
Gaya Turabian
Drucker, Peter F..
Management: Tasks, Responsibilities, Practices.
New York:
Harper & Row, Publishers,
1985.
Print.