APA ציטוט

SELVIYA Hanna, & Arzy Jessica. (2009). Okko the Sleepy Koala: Okko si Tukang Tidur. Sidoarjo: Masmedia Buana Pustaka.

Chicago Style Citation

SELVIYA Hanna, and Arzy Jessica. Okko the Sleepy Koala: Okko Si Tukang Tidur. Sidoarjo: Masmedia Buana Pustaka, 2009.

ציטוט MLA

SELVIYA Hanna, and Arzy Jessica. Okko the Sleepy Koala: Okko Si Tukang Tidur. Sidoarjo: Masmedia Buana Pustaka, 2009.