Gaya APA
OSullivan, Dan, Lockyer, Roger. (1984).
The Age of discovery 1400-1550 .
London:
Longman.
Gaya Chicago
OSullivan, Dan, Lockyer, Roger.
The Age of discovery 1400-1550.
London:
Longman,
1984.
Buku.
Gaya MLA
OSullivan, Dan, Lockyer, Roger.
The Age of discovery 1400-1550.
London:
Longman,
1984.
Buku.
Gaya Turabian
OSullivan, Dan, Lockyer, Roger.
The Age of discovery 1400-1550.
London:
Longman,
1984.
Buku.