Gaya APA
The New Book Of Knowledge (I Volume 9). (1983).
USA:
Grolier Incorporated.
Gaya Chicago
The New Book Of Knowledge (I Volume 9).
I Vol.9, 1983.
USA:
Grolier Incorporated,
1983.
Text.
Gaya MLA
The New Book Of Knowledge (I Volume 9).
I Vol.9, 1983.
USA:
Grolier Incorporated,
1983.
Text.
Gaya Turabian
The New Book Of Knowledge (I Volume 9).
USA:
Grolier Incorporated,
1983.
Print.