Gaya APA

Gray, J, D. (2014). Hari-hari Terakhir Dunia: The Final Chapter (Cet.1). Depok: Sinergi Publishing.

Gaya MLA

Gray, Jerry, D.. "Hari-hari Terakhir Dunia: The Final Chapter". Cet.1 Depok: Sinergi Publishing, 2014. Book.