Gaya APA
Drucker, Peter F. (1993).
Post-capitalist society .
New York:
Business Publications, Inc..
Gaya Chicago
Drucker, Peter F.
Post-capitalist society.
New York:
Business Publications, Inc.,
1993.
Text.
Gaya MLA
Drucker, Peter F.
Post-capitalist society.
New York:
Business Publications, Inc.,
1993.
Text.
Gaya Turabian
Drucker, Peter F.
Post-capitalist society.
New York:
Business Publications, Inc.,
1993.
Print.