APA Citation

Hawking, L., Hawking, S., & Andang H. Sutopo. (2012). George's cosmic tresure hunt: George berburu harta kosmis. Jakarta: Gramedia Pustaka Utama.

Chicago Style Citation

Hawking, Lucy, Stephen Hawking, and Andang H. Sutopo. George's Cosmic Tresure Hunt: George Berburu Harta Kosmis. Jakarta: Gramedia Pustaka Utama, 2012.

MLA Citation

Hawking, Lucy, Stephen Hawking, and Andang H. Sutopo. George's Cosmic Tresure Hunt: George Berburu Harta Kosmis. Jakarta: Gramedia Pustaka Utama, 2012.

Warning: These citations may not always be 100% accurate.