Gaya APA
The World Book Encyclopedia : N-O Volume 14. (1980).
chicago:
World book.
Gaya Chicago
The World Book Encyclopedia : N-O Volume 14.
Volume 14.
chicago:
World book,
1980.
Buku.
Gaya MLA
The World Book Encyclopedia : N-O Volume 14.
Volume 14.
chicago:
World book,
1980.
Buku.
Gaya Turabian
The World Book Encyclopedia : N-O Volume 14.
chicago:
World book,
1980.
Buku.