APA Style
Drucker, Peter F.. (2004).
The Daily Drucker .
:
HapperCollins.
Chicago Style
Drucker, Peter F..
The Daily Drucker.
:
HapperCollins,
2004.
Text.
MLA Style
Drucker, Peter F..
The Daily Drucker.
:
HapperCollins,
2004.
Text.
Turabian Style
Drucker, Peter F..
The Daily Drucker.
:
HapperCollins,
2004.
Print.