Gaya APA
LUCY, . et al (2012).
GEORGE'S COSMIC TREASURE HUNT = GEORGE BERBURU HARTA KOSMIS .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
LUCY, . et al.
"GEORGE'S COSMIC TREASURE HUNT = GEORGE BERBURU HARTA KOSMIS".
Jakarta:
Gramedia Pustaka Utama,
2012.
.