Gaya APA

Hawking, L. et al (2012). George's Cosmic Treasure Hunt : George Berburu Harta Kosmis (1). Indonesia: PT. Gramedia Pustaka Utama.

Gaya MLA

Hawking, Lucy. et al. "George's Cosmic Treasure Hunt : George Berburu Harta Kosmis". 1 Indonesia: PT. Gramedia Pustaka Utama, 2012. Text.