Gaya APA
Youseon,cho, .
(2014).
WHY? WORLD HERITAGE WARISAN DUNIA
.
Jakarta:
Elex Media Komputindo.
Gaya MLA
Youseon,cho, .
"WHY? WORLD HERITAGE WARISAN DUNIA".
Jakarta:
Elex Media Komputindo,
2014.
Books.