Gaya APA

FERRAR, G, K. (2004). WHO'S THERE?: LEVEL 2 STORYBOOK 7 . KOREA: TUNTUN ENGLISH INC..

Gaya MLA

FERRAR, G., K.. "WHO'S THERE?: LEVEL 2 STORYBOOK 7". KOREA: TUNTUN ENGLISH INC., 2004. Text.