Gaya APA
Drucker, Peter F.. (1994).
Post Capitalist Society (Cet.1).
New York:
Harper Bussines.
Gaya Chicago
Drucker, Peter F..
Post Capitalist Society.
Cet.1
New York:
Harper Bussines,
1994.
Text.
Gaya MLA
Drucker, Peter F..
Post Capitalist Society.
Cet.1
New York:
Harper Bussines,
1994.
Text.
Gaya Turabian
Drucker, Peter F..
Post Capitalist Society.
Cet.1
New York:
Harper Bussines,
1994.
Print.