Gaya APA
Britannica, .
(2007).
The New Encyclopaedia Britannica Vol.4
(
15th Edition)
.
Bandung:
John Wiley & Sons. Inc.
Gaya MLA
Britannica, .
"The New Encyclopaedia Britannica Vol.4".
15th Edition
Bandung:
John Wiley & Sons. Inc,
2007.
Text.