Gaya APA
YENNE, B., SINDYARTA, B. (2005).
100 KEAJAIBAN ALAM DUNIA = 100 NATURAL WONDERS OF THE WORLD .
BATAM:
KARISMA PUBLISHING GROUP.
Gaya MLA
YENNE, BILL., SINDYARTA, BONIFASIUS.
"100 KEAJAIBAN ALAM DUNIA = 100 NATURAL WONDERS OF THE WORLD".
BATAM:
KARISMA PUBLISHING GROUP,
2005.
Text.