Gaya APA
Encyclopedia Britannica, Inc. (1977).
The Young Childrens Encyclopedia : Volume 6 (Volume 6).
Amerika Serikat:
.
Gaya Chicago
Encyclopedia Britannica, Inc.
The Young Childrens Encyclopedia : Volume 6.
Volume 6
Amerika Serikat:
,
1977.
Text.
Gaya MLA
Encyclopedia Britannica, Inc.
The Young Childrens Encyclopedia : Volume 6.
Volume 6
Amerika Serikat:
,
1977.
Text.
Gaya Turabian
Encyclopedia Britannica, Inc.
The Young Childrens Encyclopedia : Volume 6.
Volume 6
Amerika Serikat:
,
1977.
Print.