Gaya APA
Drucker, Peter. (2002).
Managing In The Next Society .
New York:
St. MartinGrifin.
Gaya Chicago
Drucker, Peter.
Managing In The Next Society.
New York:
St. MartinGrifin,
2002.
Buku.
Gaya MLA
Drucker, Peter.
Managing In The Next Society.
New York:
St. MartinGrifin,
2002.
Buku.
Gaya Turabian
Drucker, Peter.
Managing In The Next Society.
New York:
St. MartinGrifin,
2002.
Buku.