Gaya APA
Colenso, ., Guksa, D.
(2011).
BRITANNICA GLOBAL EDITION 7
.
malaysia:
Encyclopedia Britannica.
Gaya MLA
Colenso, ., Guksa, Daigak.
"BRITANNICA GLOBAL EDITION 7".
malaysia:
Encyclopedia Britannica,
2011.
Karya Ilmiah.