Gaya APA
Gates, Bill. (1995).
The Road ahead .
New York:
Penguin Books.
Gaya Chicago
Gates, Bill.
The Road ahead.
New York:
Penguin Books,
1995.
Buku.
Gaya MLA
Gates, Bill.
The Road ahead.
New York:
Penguin Books,
1995.
Buku.
Gaya Turabian
Gates, Bill.
The Road ahead.
New York:
Penguin Books,
1995.
Buku.