Gaya APA
Drucker, Peter F.. (1993).
Innovation and entrepreneurship .
New York:
Harper Business.
Gaya Chicago
Drucker, Peter F..
Innovation and entrepreneurship.
New York:
Harper Business,
1993.
Loan Book.
Gaya MLA
Drucker, Peter F..
Innovation and entrepreneurship.
New York:
Harper Business,
1993.
Loan Book.
Gaya Turabian
Drucker, Peter F..
Innovation and entrepreneurship.
New York:
Harper Business,
1993.
Loan Book.