Gaya APA

Hopkins, C., Natasaputra, Y. (2013). Zodiac Girls from Geek to Goddess (Cet. 1). : Elex Media Komputindo.

Gaya MLA

Hopkins, Cathy., Natasaputra, Yonathan. "Zodiac Girls from Geek to Goddess". Cet. 1 : Elex Media Komputindo, 2013. Text.