Gaya APA
Cohen, William A.. (2007).
A class with Drucker : The Lost Lessons of The Worlds Greatest Management Teacher (1st ed).
New York:
Amacom.
Gaya Chicago
Cohen, William A..
A class with Drucker : The Lost Lessons of The Worlds Greatest Management Teacher.
1st ed
New York:
Amacom,
2007.
BUKU.
Gaya MLA
Cohen, William A..
A class with Drucker : The Lost Lessons of The Worlds Greatest Management Teacher.
1st ed
New York:
Amacom,
2007.
BUKU.
Gaya Turabian
Cohen, William A..
A class with Drucker : The Lost Lessons of The Worlds Greatest Management Teacher.
1st ed
New York:
Amacom,
2007.
BUKU.