Gaya APA
The New Book Of Knowledge Volume 14: O. (1975).
New York:
Grolier Incorporated.
Gaya Chicago
The New Book Of Knowledge Volume 14: O.
.
New York:
Grolier Incorporated,
1975.
.
Gaya MLA
The New Book Of Knowledge Volume 14: O.
.
New York:
Grolier Incorporated,
1975.
.
Gaya Turabian
The New Book Of Knowledge Volume 14: O.
New York:
Grolier Incorporated,
1975.
.