Gaya APA
FERRAR, G, K.
(2004).
WHY?: LEVEL 2 STORYBOOK 9
.
KOREA:
TUNTUN ENGLISH INC..
Gaya MLA
FERRAR, G., K..
"WHY?: LEVEL 2 STORYBOOK 9".
KOREA:
TUNTUN ENGLISH INC.,
2004.
Text.