Gaya APA
Drucker, Peter F.. (2017).
The theory of the business .
Boston, Massachusetts:
Harvard Business Review Press.
Gaya Chicago
Drucker, Peter F..
The theory of the business.
Boston, Massachusetts:
Harvard Business Review Press,
2017.
Text.
Gaya MLA
Drucker, Peter F..
The theory of the business.
Boston, Massachusetts:
Harvard Business Review Press,
2017.
Text.
Gaya Turabian
Drucker, Peter F..
The theory of the business.
Boston, Massachusetts:
Harvard Business Review Press,
2017.
Print.