Gaya APA

Hanna, S. et al (2012). Alexa: The Brave Andventurer: Present Perfect Tense (Cetakan Pertama). Surabaya: Kiddies Book.

Gaya MLA

Hanna, Selviya. et al. "Alexa: The Brave Andventurer: Present Perfect Tense". Cetakan Pertama Surabaya: Kiddies Book, 2012. Text.