Gaya APA
Drucker, Peter F., Niklewicz, Adam. (1992).
Managing for the Future (The 1990s Beyond) .
New York:
Penguin Group.
Gaya Chicago
Drucker, Peter F., Niklewicz, Adam.
Managing for the Future (The 1990s Beyond).
New York:
Penguin Group,
1992.
Buku Teks.
Gaya MLA
Drucker, Peter F., Niklewicz, Adam.
Managing for the Future (The 1990s Beyond).
New York:
Penguin Group,
1992.
Buku Teks.
Gaya Turabian
Drucker, Peter F., Niklewicz, Adam.
Managing for the Future (The 1990s Beyond).
New York:
Penguin Group,
1992.
Buku Teks.