APA Style
The New Book of Knowledge : O. (1992).
America:
Grolier Incorporated.
Chicago Style
The New Book of Knowledge : O.
.
America:
Grolier Incorporated,
1992.
Buku.
MLA Style
The New Book of Knowledge : O.
.
America:
Grolier Incorporated,
1992.
Buku.
Turabian Style
The New Book of Knowledge : O.
America:
Grolier Incorporated,
1992.
Buku.