Gaya APA
Drucker, Peter F.. (2010).
The Frontiers of Management .
Boston:
Harvard Business Press.
Gaya Chicago
Drucker, Peter F..
The Frontiers of Management.
Boston:
Harvard Business Press,
2010.
Buku.
Gaya MLA
Drucker, Peter F..
The Frontiers of Management.
Boston:
Harvard Business Press,
2010.
Buku.
Gaya Turabian
Drucker, Peter F..
The Frontiers of Management.
Boston:
Harvard Business Press,
2010.
Buku.