Gaya APA
The leader of the future. (2000).
Jakarta:
Elex Media Komputindo.
Gaya Chicago
The leader of the future.
.
Jakarta:
Elex Media Komputindo,
2000.
Buku.
Gaya MLA
The leader of the future.
.
Jakarta:
Elex Media Komputindo,
2000.
Buku.
Gaya Turabian
The leader of the future.
Jakarta:
Elex Media Komputindo,
2000.
Buku.