Gaya APA
Encyclopedia Britannica, Inc. (1977).
The Young Childrens Encylopedia : Volume 12 (Volume 12).
Amerika Serikat:
.
Gaya Chicago
Encyclopedia Britannica, Inc.
The Young Childrens Encylopedia : Volume 12.
Volume 12
Amerika Serikat:
,
1977.
Text.
Gaya MLA
Encyclopedia Britannica, Inc.
The Young Childrens Encylopedia : Volume 12.
Volume 12
Amerika Serikat:
,
1977.
Text.
Gaya Turabian
Encyclopedia Britannica, Inc.
The Young Childrens Encylopedia : Volume 12.
Volume 12
Amerika Serikat:
,
1977.
Print.