Gaya APA

Kristiani, D., Kristiani, D. (2010). Pingo si Penguin Telanjang: Let's Save Our Earth (1). Yogyakarta: Kanisius.

Gaya MLA

Kristiani, Dian., Kristiani, Dian. "Pingo si Penguin Telanjang: Let's Save Our Earth". 1 Yogyakarta: Kanisius, 2010. Text.