Gaya APA
KRAMES, Jeffrey A.. (2008).
Inside Drucker's brain .
New York:
Portfolio.
Gaya Chicago
KRAMES, Jeffrey A..
Inside Drucker's brain.
New York:
Portfolio,
2008.
Text.
Gaya MLA
KRAMES, Jeffrey A..
Inside Drucker's brain.
New York:
Portfolio,
2008.
Text.
Gaya Turabian
KRAMES, Jeffrey A..
Inside Drucker's brain.
New York:
Portfolio,
2008.
Print.