Gaya APA
Encyclopedia International jilid 9. (1973).
NEW YORK:
Grolier.
Gaya Chicago
Encyclopedia International jilid 9.
.
NEW YORK:
Grolier,
1973.
Text.
Gaya MLA
Encyclopedia International jilid 9.
.
NEW YORK:
Grolier,
1973.
Text.
Gaya Turabian
Encyclopedia International jilid 9.
NEW YORK:
Grolier,
1973.
Print.