Gaya APA

Zappa, S, M, Z, D, A. (2016). Leona's Unlucky Mission . : PT Gramedia Pustaka Utama.

Gaya MLA

Zappa, Shana, Muldoon, Zappa, Dan, Ahmet. "Leona's Unlucky Mission". : PT Gramedia Pustaka Utama, 2016. Text.