Gaya APA

Anthony, O., Pondrafi, F. (2017). Dear Olivia : 40 things you need to know before you go . Sriwijaya: prestasi pustaka jakarta.

Gaya MLA

Anthony, Osceola., Pondrafi, Ferrial. "Dear Olivia : 40 things you need to know before you go". Sriwijaya: prestasi pustaka jakarta, 2017. Transparency.